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co2
within 25 miles
Oct 15, 2026
9 opportunities found! use fewer search filter criteria to find more opportunities

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

  • Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineenvironmentautumnparticulate matterstemclimatenaturespringair quality indexmobile applicationgirl scoutscitizen sciencehikingiphoneequitydatabaseappair pollution monitoringbicyclingexperimentcommunity-based monitoringandroidglobal warmingclimate changecarbon dioxideusaair qualitysmartphone applicationweather dataec2020outdoorsairair pollutionweatherwintersummerscienceclimate monitoringinvestigationcarbon monoxideenvironmental justicedata

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymapmappingtreesecologecologyenvironmentukgreat britaintreegreat britian
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