{"count":50,"total":19943,"problems":[{"problemId":"water-well-nitrate-lucerne-01","problem":"Rural domestic wells in the Lucerne Valley basin draw from an unconfined aquifer with documented agricultural nitrate loading; a household relying on an untested well has unknown exposure to nitrate (blue-baby risk) and total coliform.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"SBD parcel, Lucerne Valley, CA","lat":34.598,"lng":-116.812},"domain":"water","standard":"EPA MCL nitrate 10 mg/L, total coliform absence; SDG 6.1","proof":"Photo of wellhead / tap sampled with timestamp; GPS waypoint of sampling location; Nitrate reading (mg/L) via test strip or lab; Total coliform present/absent result","beneficiary":"the commons at SBD parcel, Lucerne Valley, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-well-nitrate-lucerne-01","workType":"water_potability_test","priceUsd":200,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":200,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-spring-source-cfu-oakcreek-02","problem":"A spring used as an informal drinking source by trail users has no potability record; giardia/coliform and turbidity risk is unquantified after seasonal cattle grazing upstream.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Oak Creek headwaters, Coconino NF, AZ","lat":34.9105,"lng":-111.7326},"domain":"water","standard":"WHO GDWQ turbidity <5 NTU, coliform absence; SDG 6.1","proof":"Photo of spring source; GPS waypoint; Turbidity reading (NTU); Coliform present/absent","beneficiary":"the commons at Oak Creek headwaters, Coconino NF, AZ","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-spring-source-cfu-oakcreek-02","workType":"water_potability_test","priceUsd":220,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":220,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-stormwater-outfall-la-03","problem":"Dry-weather flow from a storm drain outfall into an LA River tributary indicates illicit discharge or urban runoff; pollutant indicators (conductivity, surfactants, ammonia) are unmeasured.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"LA River tributary outfall, Los Angeles, CA","lat":34.0709,"lng":-118.2334},"domain":"water","standard":"EPA IDDE dry-weather screening; SDG 6.3","proof":"Photo of outfall with any visible flow; GPS waypoint; Conductivity (µS/cm); Ammonia reading","beneficiary":"the commons at LA River tributary outfall, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-stormwater-outfall-la-03","workType":"watershed_outfall_screen","priceUsd":240,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":240,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-lake-cyano-shoreline-04","problem":"A public swimming lake shows late-summer surface scum; harmful algal bloom (cyanotoxin) risk to swimmers and dogs is unassessed.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Public recreation lake, San Bernardino Mtns, CA","lat":34.2439,"lng":-116.9114},"domain":"water","standard":"EPA recreational cyanotoxin advisory (microcystin 8 µg/L); SDG 6.3","proof":"Photo of shoreline scum; GPS waypoint; Bloom density rating; Microcystin test-strip result","beneficiary":"the commons at Public recreation lake, San Bernardino Mtns, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-lake-cyano-shoreline-04","workType":"water_potability_test","priceUsd":220,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":220,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-community-garden-lead-05","problem":"A community garden on a former residential infill lot may carry legacy lead from paint/gasoline; growers of leafy crops have unquantified soil-lead exposure.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Community garden, South LA infill lot, CA","lat":34.0224,"lng":-118.2851},"domain":"soil","standard":"EPA residential soil screening level Pb 400 ppm; SDG 3.9","proof":"Photos of 5 sampling points; GPS waypoint of plot; Composite Pb reading (ppm); Sampling depth note (0-15cm)","beneficiary":"the commons at Community garden, South LA infill lot, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-community-garden-lead-05","workType":"soil_sampling","priceUsd":320,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":320,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-health-infiltration-rangeland-06","problem":"Degraded rangeland shows compaction and poor water infiltration after overgrazing; a soil-health baseline is needed before any restoration grazing plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"SBD parcel rangeland, Lucerne Valley, CA","lat":34.6012,"lng":-116.8201},"domain":"soil","standard":"USDA-NRCS infiltration + aggregate stability; SDG 15.3 LDN","proof":"Photo of infiltration ring test; GPS waypoint; Infiltration time (min for 1 inch); Aggregate stability class (1-6)","beneficiary":"the commons at SBD parcel rangeland, Lucerne Valley, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-health-infiltration-rangeland-06","workType":"soil_sampling","priceUsd":300,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-erosion-streambank-07","problem":"An incised stream reach is losing bank material to erosion, delivering sediment downstream and undercutting riparian trees; erosion severity is undocumented.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Incised channel reach, Oak Creek, AZ","lat":34.9089,"lng":-111.7301},"domain":"soil","standard":"EPA RBP bank stability; SDG 6.6/15.3","proof":"Photo transect (3 points along reach); GPS waypoints; Bank height + angle measurements; Bank erosion hazard class","beneficiary":"the commons at Incised channel reach, Oak Creek, AZ","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-erosion-streambank-07","workType":"soil_sampling","priceUsd":340,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":340,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-brownfield-hydrocarbon-08","problem":"A vacant former gas-station lot proposed for a pocket park may carry residual petroleum hydrocarbons in surface soil; ecological + human exposure is unscreened.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Former fueling site, Los Angeles, CA","lat":34.0561,"lng":-118.2456},"domain":"soil","standard":"EPA TPH ecological screening; SDG 12.4","proof":"Photos of sampling grid; GPS waypoint; PID or TPH field readings; Visible staining / odor log","beneficiary":"the commons at Former fueling site, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-brownfield-hydrocarbon-08","workType":"soil_sampling","priceUsd":360,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":360,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-energy-audit-community-center-09","problem":"A nonprofit community center runs high utility bills on aging HVAC and lighting; no energy baseline exists to prioritize retrofits.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Community center, Los Angeles, CA","lat":34.0195,"lng":-118.4912},"domain":"housing","standard":"ASHRAE Level 1 audit; LBC Energy petal screening","proof":"Photos of HVAC, lighting, envelope; GPS / address confirm; 12-month utility use summary; Lighting + HVAC inventory","beneficiary":"the commons at Community center, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-energy-audit-community-center-09","workType":"building_audit","priceUsd":500,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":500,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-iaq-school-classroom-10","problem":"A school classroom reports afternoon drowsiness and stuffiness; ventilation adequacy (CO2 buildup) and PM2.5 are unmeasured against health guidance.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Public school classroom, Los Angeles, CA","lat":34.0709,"lng":-118.4441},"domain":"housing","standard":"ASHRAE 62.1 ventilation, CO2 <1000 ppm; LBC Health+Happiness","proof":"Photo of monitor in occupied room; GPS / address confirm; CO2 log (ppm) over ≥1 occupied hour; PM2.5 reading (µg/m³)","beneficiary":"the commons at Public school classroom, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-iaq-school-classroom-10","workType":"building_audit","priceUsd":440,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":440,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-redlist-materials-clinic-11","problem":"A small clinic planning a renovation wants to avoid Living Building Challenge Red List chemicals (PVC, formaldehyde, phthalates) but has no material inventory of existing finishes.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Community clinic, Pasadena, CA","lat":34.1478,"lng":-118.1445},"domain":"housing","standard":"LBC Materials petal Red List","proof":"Photos of flooring, wall, ceiling, sealant finishes; GPS / address confirm; Material inventory with product names where legible; Red List flag per item","beneficiary":"the commons at Community clinic, Pasadena, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-redlist-materials-clinic-11","workType":"building_audit","priceUsd":480,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":480,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"ecosystem-urban-canopy-median-12","problem":"A low-canopy commercial corridor is a documented urban heat island; existing street trees' species, condition, and watering needs are unrecorded before a planting plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Commercial corridor, Los Angeles, CA","lat":34.0522,"lng":-118.2437},"domain":"ecosystems","standard":"i-Tree canopy protocol; SDG 11.7","proof":"Photo of each surveyed tree; GPS waypoint per tree; Species (best estimate) + condition class; Diameter at breast height (DBH)","beneficiary":"the commons at Commercial corridor, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"ecosystem-urban-canopy-median-12","workType":"urban_canopy_survey","priceUsd":280,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":280,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"ecosystem-pollinator-habitat-park-13","problem":"A park meadow slated for pollinator restoration has unknown existing plant cover, invasive load, and bare-ground fraction; a baseline is needed to measure restoration success.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Park meadow, Los Angeles, CA","lat":34.1367,"lng":-118.2942},"domain":"ecosystems","standard":"Xerces pollinator habitat assessment; SDG 15.5","proof":"Quadrat photos (3 locations); GPS waypoints; Percent cover: native / invasive / bare; Blooming forb species count","beneficiary":"the commons at Park meadow, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"ecosystem-pollinator-habitat-park-13","workType":"soil_sampling","priceUsd":300,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"food-kitchen-green-star-cafe-14","problem":"An independent cafe wants to reduce its footprint and market its sustainability credibly but has never scored its sourcing, waste, energy, water, and procurement against a recognized rubric.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Independent cafe, Los Angeles, CA","lat":34.09,"lng":-118.3617},"domain":"food","standard":"Michelin Green Star-style 7-criterion scorecard","proof":"Photos: sourcing, waste stream, energy, water fixtures, procurement records; GPS / address confirm; Score per each of 7 criteria; Evidence note per criterion","beneficiary":"the commons at Independent cafe, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"food-kitchen-green-star-cafe-14","workType":"food_sustainability_audit","priceUsd":520,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":520,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"civic-corridor-hazard-walk-15","problem":"A pedestrian corridor has reported trip hazards, blocked ADA ramps, and failed lighting; hazards are unlogged and untriaged for a handoff to the responsible BID or city agency.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Downtown pedestrian corridor, Los Angeles, CA","lat":34.0407,"lng":-118.2468},"domain":"civic","standard":"Documentation-and-coordination-only; severity tags minor|moderate|severe|critical","proof":"Photo of each hazard; GPS waypoint per hazard; Severity tag per item (minor|moderate|severe|critical); Hazard type classification","beneficiary":"the commons at Downtown pedestrian corridor, Los Angeles, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"civic-corridor-hazard-walk-15","workType":"civic_hazard_survey","priceUsd":240,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":240,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-lead-service-first-draw-detroit-16","problem":"A pre-1986 home is served by a suspected lead service line; first-draw morning lead exposure to residents (children especially) is unmeasured after any recent main work disturbed the line.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Residential home, Detroit, MI","lat":42.3314,"lng":-83.0458},"domain":"water","standard":"EPA Lead & Copper Rule action level 15 ppb (first-draw); SDG 6.1","proof":"Photo of sampled tap; GPS / address confirm; First-draw lead (ppb) after ≥6h stagnation; Flushed sample lead (ppb)","beneficiary":"the commons at Residential home, Detroit, MI","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-lead-service-first-draw-detroit-16","workType":"water_potability_test","priceUsd":220,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":220,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-pfas-airfield-portsmouth-17","problem":"Groundwater near a former airfield with historical AFFF firefighting-foam use may carry PFAS above the EPA health advisory; residents on private wells have no PFAS data.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Private well near former airfield, Portsmouth, NH","lat":43.0718,"lng":-70.7626},"domain":"water","standard":"EPA PFAS health advisory + Method 537.1 sampling; SDG 6.1","proof":"Photo of sampling point; GPS waypoint; PFAS-clean sample collected per 537.1 (no PTFE, no field contamination); Chain-of-custody to accredited lab","beneficiary":"the commons at Private well near former airfield, Portsmouth, NH","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-pfas-airfield-portsmouth-17","workType":"pfas_screen","priceUsd":380,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":380,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-arsenic-groundwater-tucson-18","problem":"Southwest desert basins carry naturally elevated geogenic arsenic; a domestic well in the Tucson basin has no arsenic record against the 10 ppb MCL.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Domestic well, Tucson basin, AZ","lat":32.2226,"lng":-110.9747},"domain":"water","standard":"EPA MCL arsenic 10 ppb; SDG 6.1","proof":"Photo of sampled tap/well; GPS waypoint; Arsenic reading (ppb); pH reading","beneficiary":"the commons at Domestic well, Tucson basin, AZ","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-arsenic-groundwater-tucson-18","workType":"water_potability_test","priceUsd":220,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":220,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-acid-mine-drainage-charleston-wv-19","problem":"A headwater stream below an abandoned coal mine shows orange staining (iron floc); acid mine drainage impairment (low pH, metals) degrades aquatic life and is unquantified for restoration prioritization.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Abandoned mine headwater, near Charleston, WV","lat":38.3498,"lng":-81.6326},"domain":"water","standard":"EPA AMD indicators (pH, Fe, Al, acidity); SDG 6.3/6.6","proof":"Photo of stained/impacted reach; GPS waypoint; pH reading; Iron reading","beneficiary":"the commons at Abandoned mine headwater, near Charleston, WV","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-acid-mine-drainage-charleston-wv-19","workType":"watershed_amd_screen","priceUsd":280,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":280,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-school-fountain-lead-cleveland-20","problem":"Drinking fountains in an older school building may leach lead from legacy brass fixtures; children's exposure at specific fountains is unmeasured.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Pre-1990 school building, Cleveland, OH","lat":41.4993,"lng":-81.6944},"domain":"water","standard":"EPA 3Ts for schools, 15 ppb action; SDG 6.1","proof":"Photo of each fountain sampled; Room / outlet location tag; First-draw lead (ppb) per outlet; Fixture age note where visible","beneficiary":"the commons at Pre-1990 school building, Cleveland, OH","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-school-fountain-lead-cleveland-20","workType":"water_potability_test","priceUsd":240,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":240,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-coastal-saltwater-intrusion-biloxi-21","problem":"A shallow coastal well shows a salty taste after storm surge and heavy pumping; saltwater intrusion (chloride, conductivity) threatening potability is unmeasured.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Shallow coastal well, Biloxi, MS","lat":30.396,"lng":-88.8853},"domain":"water","standard":"EPA secondary chloride 250 mg/L; SDG 6.1","proof":"Photo of well/tap; GPS waypoint; Chloride reading (mg/L); Conductivity (µS/cm)","beneficiary":"the commons at Shallow coastal well, Biloxi, MS","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-coastal-saltwater-intrusion-biloxi-21","workType":"water_potability_test","priceUsd":220,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":220,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-tribal-access-chinle-22","problem":"Households hauling water from a shared access point on the Navajo Nation, where a share of homes lack piped water, have no recent potability record for that source.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Shared water access point, Chinle area, Navajo Nation, AZ","lat":36.1547,"lng":-109.5773},"domain":"water","standard":"EPA MCLs (coliform, nitrate, arsenic, uranium); SDG 6.1","proof":"Photo of access point; GPS waypoint; Total coliform present/absent; Nitrate (mg/L)","beneficiary":"the commons at Shared water access point, Chinle area, Navajo Nation, AZ","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-tribal-access-chinle-22","workType":"water_potability_test","priceUsd":260,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":260,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-ag-tile-drain-nitrate-desmoines-23","problem":"Subsurface tile drains from row-crop fields discharge nitrate to a stream feeding a downstream drinking supply; the drain's nitrate contribution is unmeasured for a nutrient-reduction plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Tile-drain outlet, Des Moines watershed, IA","lat":41.5868,"lng":-93.625},"domain":"water","standard":"EPA nitrate 10 mg/L + Iowa Nutrient Reduction Strategy; SDG 6.3","proof":"Photo of tile-drain outlet; GPS waypoint; Nitrate reading (mg/L); Flow present? estimate","beneficiary":"the commons at Tile-drain outlet, Des Moines watershed, IA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-ag-tile-drain-nitrate-desmoines-23","workType":"watershed_outfall_screen","priceUsd":240,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":240,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"stream-macro-bioassessment-raleigh-24","problem":"An urbanizing Piedmont creek's biological health is unknown; macroinvertebrate community (a biotic integrity indicator) has not been sampled to gauge impairment.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Piedmont creek, Raleigh, NC","lat":35.7796,"lng":-78.6382},"domain":"ecosystems","standard":"EPA RBP family-level biotic index; SDG 6.6","proof":"Photo of sampled riffle habitat; GPS waypoint; Macroinvertebrate taxa tally (family level); EPT count","beneficiary":"the commons at Piedmont creek, Raleigh, NC","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"stream-macro-bioassessment-raleigh-24","workType":"stream_bioassessment","priceUsd":320,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":320,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-wildfire-burnscar-erosion-paradise-25","problem":"A burn scar above a community faces first-winter debris-flow and erosion risk from hydrophobic soils and lost ground cover; erosion hazard is undocumented for treatment prioritization.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Burn scar above community, Paradise, CA","lat":39.7596,"lng":-121.6219},"domain":"soil","standard":"USFS BAER burn severity + soil water repellency; SDG 15.3","proof":"Photo transect (3 points); GPS waypoints; Soil burn severity class (low/mod/high); Water-drop penetration (repellency) result","beneficiary":"the commons at Burn scar above community, Paradise, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-wildfire-burnscar-erosion-paradise-25","workType":"soil_sampling","priceUsd":340,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":340,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-urban-orchard-arsenic-yakima-26","problem":"Land being converted from former orchard use may carry legacy lead-arsenate pesticide residue in surface soil; future residents/gardeners have unquantified exposure.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Former orchard infill parcel, Yakima, WA","lat":46.6021,"lng":-120.5059},"domain":"soil","standard":"EPA SSL arsenic + lead; WA MTCA; SDG 3.9","proof":"Photos of 5 sampling points; GPS waypoint; Composite arsenic (ppm); Composite lead (ppm)","beneficiary":"the commons at Former orchard infill parcel, Yakima, WA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-urban-orchard-arsenic-yakima-26","workType":"soil_sampling","priceUsd":340,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":340,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-salt-affected-irrigated-elcentro-27","problem":"Irrigated cropland in an arid valley shows white salt crusting and declining yield; soil salinity/sodicity is unmeasured for a leaching/amendment plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Irrigated cropland, El Centro / Imperial Valley, CA","lat":32.792,"lng":-115.5631},"domain":"soil","standard":"USDA-NRCS salinity (EC) + SAR; SDG 15.3","proof":"Photo of salt crusting; GPS waypoint; Electrical conductivity (dS/m); pH","beneficiary":"the commons at Irrigated cropland, El Centro / Imperial Valley, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-salt-affected-irrigated-elcentro-27","workType":"soil_sampling","priceUsd":300,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-vineyard-cover-crop-napa-28","problem":"A vineyard trialing cover crops for erosion and soil biology wants a baseline (organic matter, infiltration, compaction) before/after to prove regenerative practice works.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Vineyard inter-rows, Napa, CA","lat":38.2975,"lng":-122.2869},"domain":"soil","standard":"USDA-NRCS soil-health indicators; SDG 15.3","proof":"Photo of cover-cropped inter-row; GPS waypoint; Infiltration time; Penetrometer compaction (psi by depth)","beneficiary":"the commons at Vineyard inter-rows, Napa, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-vineyard-cover-crop-napa-28","workType":"soil_sampling","priceUsd":300,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-floodplain-deposition-memphis-29","problem":"A riverside floodplain park received fresh sediment after a flood; deposited-sediment depth and any transported contaminants (metals) affecting reuse are undocumented.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Riverside floodplain park, Memphis, TN","lat":35.1495,"lng":-90.049},"domain":"soil","standard":"FEMA floodplain + EPA sediment screening; SDG 11.5","proof":"Photo of deposited sediment; GPS waypoint; Deposition depth (cm); Metals field screen (Pb/Zn)","beneficiary":"the commons at Riverside floodplain park, Memphis, TN","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-floodplain-deposition-memphis-29","workType":"soil_sampling","priceUsd":320,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":320,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-playground-surfacing-bronx-30","problem":"An older urban playground has worn surfacing over bare soil; fall-surface adequacy and soil lead beneath play areas (legacy urban contamination) are unassessed for child safety.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Urban park playground, Bronx, NY","lat":40.8448,"lng":-73.8648},"domain":"civic","standard":"EPA residential Pb 400 ppm + CPSC playground surfacing; SDG 3.9","proof":"Photo of worn surfacing + play equipment; GPS / location tag; Soil lead (ppm) beneath bare areas; Loose-fill depth where present","beneficiary":"the commons at Urban park playground, Bronx, NY","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-playground-surfacing-bronx-30","workType":"soil_sampling","priceUsd":320,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":320,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-compost-maturity-portland-31","problem":"A community compost site's finished product may be immature (phytotoxic) or carry physical contaminants (plastic/glass) before distribution to gardens; quality is unverified.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Community compost site, Portland, OR","lat":45.5152,"lng":-122.6784},"domain":"soil","standard":"US Composting Council STA maturity + inerts; SDG 12.5","proof":"Photo of finished product; GPS / site confirm; Pile temperature (°F); Maturity indicator (germination or ammonia)","beneficiary":"the commons at Community compost site, Portland, OR","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-compost-maturity-portland-31","workType":"soil_sampling","priceUsd":280,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":280,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"soil-brownfield-slag-pittsburgh-32","problem":"A former steel-industry parcel proposed for green reuse may carry slag and metals (lead, chromium, manganese) in surface soil; ecological + human exposure is unscreened.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Former steel site, Pittsburgh, PA","lat":40.4406,"lng":-79.9959},"domain":"soil","standard":"EPA SSL metals; PA Act 2; SDG 12.4","proof":"Photos of sampling grid; GPS waypoint; Lead / chromium / manganese field readings; Visible slag / fill observation","beneficiary":"the commons at Former steel site, Pittsburgh, PA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"soil-brownfield-slag-pittsburgh-32","workType":"soil_sampling","priceUsd":360,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":360,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"wetland-condition-invasive-everglades-33","problem":"A wetland edge near development shows invasive encroachment (e.g., melaleuca/Brazilian pepper); wetland condition and invasive cover are undocumented for a management plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Wetland edge, Homestead / Everglades fringe, FL","lat":25.4687,"lng":-80.4776},"domain":"ecosystems","standard":"EPA NWCA rapid method; SDG 6.6/15.1","proof":"Quadrat photos (3 stations); GPS waypoints; Percent cover native vs invasive; Dominant invasive species ID","beneficiary":"the commons at Wetland edge, Homestead / Everglades fringe, FL","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"wetland-condition-invasive-everglades-33","workType":"wetland_condition_survey","priceUsd":320,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":320,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"ecosystem-prairie-remnant-manhattan-ks-34","problem":"A tallgrass prairie remnant slated for a management burn has no current plant-community record; native diversity and woody encroachment are undocumented to measure burn outcome.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Tallgrass prairie remnant, Flint Hills, near Manhattan, KS","lat":39.1836,"lng":-96.5717},"domain":"ecosystems","standard":"Floristic Quality Assessment + SDG 15.5","proof":"Transect photos (3 points); GPS waypoints; Native species list; Woody encroachment percent cover","beneficiary":"the commons at Tallgrass prairie remnant, Flint Hills, near Manhattan, KS","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"ecosystem-prairie-remnant-manhattan-ks-34","workType":"soil_sampling","priceUsd":300,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"ecosystem-riparian-buffer-eugene-35","problem":"A salmon-bearing creek's riparian buffer has gaps that raise water temperature and reduce habitat; buffer width, canopy shade, and bank vegetation are undocumented for a planting plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Salmon-bearing creek buffer, Eugene, OR","lat":44.0521,"lng":-123.0868},"domain":"ecosystems","standard":"NRCS riparian buffer + stream shade; SDG 6.6/15.1","proof":"Photos along the reach; GPS waypoints; Buffer width (m) each bank; Canopy shade percent (densiometer or estimate)","beneficiary":"the commons at Salmon-bearing creek buffer, Eugene, OR","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"ecosystem-riparian-buffer-eugene-35","workType":"riparian_buffer_survey","priceUsd":300,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"coastal-eelgrass-shoreline-tacoma-36","problem":"An eelgrass meadow (critical juvenile-salmon and forage-fish habitat) near shoreline armoring may be declining; its extent and condition are undocumented for protection.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Nearshore eelgrass, Puget Sound, Tacoma, WA","lat":47.2529,"lng":-122.4443},"domain":"ecosystems","standard":"NOAA eelgrass extent + condition; SDG 14.2","proof":"Low-tide photos of meadow; GPS waypoints of patch edges; Shoot density (per quadrat); Patch extent estimate","beneficiary":"the commons at Nearshore eelgrass, Puget Sound, Tacoma, WA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"coastal-eelgrass-shoreline-tacoma-36","workType":"coastal_habitat_survey","priceUsd":340,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":340,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"coastal-saltmarsh-extent-charleston-sc-37","problem":"A tidal salt marsh (storm buffer + nursery habitat) is eroding at its seaward edge with sea-level rise; edge retreat and vegetation health are undocumented for living-shoreline planning.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Tidal salt marsh edge, Charleston, SC","lat":32.7765,"lng":-79.9311},"domain":"ecosystems","standard":"NOAA salt-marsh condition; SDG 14.2/11.5","proof":"Photos of marsh edge; GPS waypoints of edge; Dominant vegetation (e.g., Spartina) condition; Edge scarp height","beneficiary":"the commons at Tidal salt marsh edge, Charleston, SC","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"coastal-saltmarsh-extent-charleston-sc-37","workType":"coastal_habitat_survey","priceUsd":340,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":340,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"ecosystem-oak-woodland-regen-fredericksburg-38","problem":"An oak woodland shows poor seedling regeneration and possible oak-wilt symptoms; age structure and health are undocumented for a stewardship plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Oak woodland, Fredericksburg, TX","lat":30.2752,"lng":-98.872},"domain":"ecosystems","standard":"Forest regeneration + tree health protocol; SDG 15.2","proof":"Plot photos (3 stations); GPS waypoints; Oak seedling/sapling count per plot; Canopy health / dieback note","beneficiary":"the commons at Oak woodland, Fredericksburg, TX","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"ecosystem-oak-woodland-regen-fredericksburg-38","workType":"soil_sampling","priceUsd":300,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-multifamily-airleakage-chicago-39","problem":"An older affordable multifamily building has high winter heating costs and cold units; envelope air-leakage and thermal-bypass locations are unidentified for a weatherization plan.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Affordable multifamily building, Chicago, IL","lat":41.8781,"lng":-87.6298},"domain":"housing","standard":"ASHRAE Level 1 + envelope air-leakage screening; LBC Energy","proof":"Photos (and thermal images where available) of envelope + common areas; Address confirm; Air-leakage locations logged; Heating system + control note","beneficiary":"the commons at Affordable multifamily building, Chicago, IL","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-multifamily-airleakage-chicago-39","workType":"building_audit","priceUsd":500,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":500,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-foodbank-refrigeration-atlanta-40","problem":"A food bank's walk-in coolers/freezers run continuously; door-seal integrity, temperature stability, and refrigeration efficiency (energy + food-safety risk) are unassessed.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Food bank facility, Atlanta, GA","lat":33.749,"lng":-84.388},"domain":"housing","standard":"ASHRAE Level 1 refrigeration + food-safe temperature; SDG 12.3","proof":"Photos of walk-in units + condensers; Address confirm; Temperature log (each unit); Door-seal / gasket condition","beneficiary":"the commons at Food bank facility, Atlanta, GA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-foodbank-refrigeration-atlanta-40","workType":"building_audit","priceUsd":480,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":480,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-affordable-housing-mold-newark-41","problem":"Tenants in an affordable-housing unit report musty odor and visible staining; moisture intrusion and mold-related IAQ (a health risk, esp. for asthma) are unassessed against guidance.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Affordable-housing unit, Newark, NJ","lat":40.7357,"lng":-74.1724},"domain":"housing","standard":"EPA mold + moisture guidance; ASHRAE 62.1; LBC Health+Happiness","proof":"Photos of staining/affected areas; Address / unit confirm; Moisture-meter readings (affected vs baseline); Relative humidity + temp","beneficiary":"the commons at Affordable-housing unit, Newark, NJ","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-affordable-housing-mold-newark-41","workType":"building_audit","priceUsd":440,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":440,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-library-lighting-denver-42","problem":"A public library runs aging fluorescent lighting with no occupancy controls; a lighting inventory and baseline are needed to size an LED + controls retrofit and its savings.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Public library branch, Denver, CO","lat":39.7392,"lng":-104.9903},"domain":"housing","standard":"ASHRAE Level 1 lighting; DLC LED; SDG 7.3","proof":"Photos of lighting by area; Address confirm; Fixture count + type (lamp/wattage); Operating hours estimate","beneficiary":"the commons at Public library branch, Denver, CO","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-library-lighting-denver-42","workType":"building_audit","priceUsd":460,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":460,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"building-church-envelope-moisture-neworleans-43","problem":"A historic church in a hot-humid climate shows exterior deterioration and interior damp; envelope condition and moisture-driven IAQ risk are undocumented before a preservation-sensitive retrofit.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Historic church, New Orleans, LA","lat":29.9511,"lng":-90.0715},"domain":"housing","standard":"ASHRAE 62.1 + moisture; LBC Health+Happiness (preservation-aware)","proof":"Photos of exterior envelope + interior damp; Address confirm; Moisture readings at affected areas; Interior RH + temp","beneficiary":"the commons at Historic church, New Orleans, LA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"building-church-envelope-moisture-neworleans-43","workType":"building_audit","priceUsd":480,"skillLevel":"advanced"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":480,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"food-school-cafeteria-waste-minneapolis-44","problem":"A school cafeteria discards significant edible food and has no baseline on waste volume, sourcing, or recovery/donation options; footprint and cost-saving opportunities are unquantified.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"School cafeteria, Minneapolis, MN","lat":44.9778,"lng":-93.265},"domain":"food","standard":"EPA Food Recovery Hierarchy + Green Star sourcing criteria; SDG 12.3","proof":"Photos of waste stream + service line; Address confirm; Food-waste weight or volume (one service); Sourcing note (local/seasonal share)","beneficiary":"the commons at School cafeteria, Minneapolis, MN","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"food-school-cafeteria-waste-minneapolis-44","workType":"food_sustainability_audit","priceUsd":420,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":420,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"air-community-monitoring-port-longbeach-45","problem":"A neighborhood beside a port freight corridor bears diesel-truck PM2.5 exposure (an environmental-justice burden); community-scale ambient PM2.5 near homes/schools is unmeasured against NAAQS.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Near-port neighborhood, Long Beach, CA","lat":33.7701,"lng":-118.1937},"domain":"ecosystems","standard":"EPA NAAQS PM2.5 + community air-monitoring protocol; SDG 11.6","proof":"Photos of monitoring locations; GPS waypoints (≥3 points: near-road, mid, background); PM2.5 log (µg/m³) each point over a peak period; Wind + time note","beneficiary":"the commons at Near-port neighborhood, Long Beach, CA","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"air-community-monitoring-port-longbeach-45","workType":"ambient_air_survey","priceUsd":300,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":300,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-well-uranium-coloradoplateau-46","problem":"Colorado Plateau aquifers carry naturally elevated geogenic uranium; a domestic well has no record against the MCL, leaving kidney-toxicity exposure unknown.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Domestic well, Grand Junction area, CO","lat":39.0639,"lng":-108.5506},"domain":"water","standard":"EPA MCL uranium 30 µg/L; SDG 6.1","proof":"Photo of well/tap; GPS waypoint; Uranium (µg/L) via kit or lab; pH","beneficiary":"the commons at Domestic well, Grand Junction area, CO","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-well-uranium-coloradoplateau-46","workType":"water_potability_test","priceUsd":240,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":240,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-lead-lookback-flint-47","problem":"A home in a city recovering from a lead-in-water crisis wants independent confirmation that its replaced/known line now meets the action level; residual first-draw lead is unverified.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Residential home, Flint, MI","lat":43.0125,"lng":-83.6875},"domain":"water","standard":"EPA LCR 15 ppb first-draw; SDG 6.1","proof":"Photo of sampled tap; GPS / address confirm; First-draw lead (ppb) after ≥6h; Flushed lead (ppb)","beneficiary":"the commons at Residential home, Flint, MI","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-lead-lookback-flint-47","workType":"water_potability_test","priceUsd":220,"skillLevel":"entry"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":220,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-colonias-potability-elpaso-48","problem":"Households in a border colonia rely on hauled or shallow-well water with no piped service; coliform/nitrate potability of the working source is undocumented.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Colonia water source, El Paso County, TX","lat":31.7619,"lng":-106.485},"domain":"water","standard":"EPA MCLs coliform + nitrate; SDG 6.1","proof":"Photo of the source; GPS waypoint; Total coliform present/absent; Nitrate (mg/L)","beneficiary":"the commons at Colonia water source, El Paso County, TX","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-colonias-potability-elpaso-48","workType":"water_potability_test","priceUsd":240,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":240,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-hawaii-cesspool-groundwater-hilo-49","problem":"Dense cesspools discharge nutrients + bacteria to groundwater that surfaces at a nearshore seep near a reef; the seep's nutrient/bacteria load is unmeasured.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Nearshore seep, Hilo, HI","lat":19.7071,"lng":-155.0885},"domain":"water","standard":"EPA nutrient + enterococci nearshore; SDG 6.3/14.1","proof":"Photo of the seep; GPS waypoint; Nitrate (mg/L); Conductivity","beneficiary":"the commons at Nearshore seep, Hilo, HI","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-hawaii-cesspool-groundwater-hilo-49","workType":"watershed_outfall_screen","priceUsd":280,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":280,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}},{"problemId":"water-alaska-village-source-bethel-50","problem":"A rural Alaska community hauling water from a river/lake source (limited piped service) has no recent potability record; coliform/turbidity risk is unquantified.","provenance":{"kind":"library_definition","note":"Authored from public data and the named standard — a candidate problem at this place, not a report observed from a requester. It becomes observed demand only when a real backer or requester attaches to it."},"place":{"address":"Village water source, Bethel area, AK","lat":60.7922,"lng":-161.7558},"domain":"water","standard":"WHO GDWQ coliform + turbidity; SDG 6.1","proof":"Photo of the source; GPS waypoint; Total coliform present/absent; Turbidity (NTU)","beneficiary":"the commons at Village water source, Bethel area, AK","onchainBeneficiary":"0x9166631093b6b8ec1a034cd6d766400b27a8a0b9","work":{"definitionId":"water-alaska-village-source-bethel-50","workType":"water_potability_test","priceUsd":280,"skillLevel":"intermediate"},"back":{"fund":{"rail":"eip3009-authorization","asset":"USDC","chain":"base","amountUsd":280,"redemptionTarget":null,"note":"sign an EIP-3009 pay-on-proof authorization bound to this problem — the USDC stays in YOUR wallet and moves only at the proof-gated settlement, worker-direct. No pre-proof transfer, no payTo recipient, no custody."},"claim":{"rail":"ewp","endpoint":"POST /labor/claim","signed":true,"note":"do it, prove it (photo + GPS + method), settle on-chain"},"vote":{"note":"funding IS the on-chain vote; Earned Voice weights the non-money say by proven work"}},"backing":{"fundedUsd":0,"backers":0,"priority":0}}]}