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co2
within 25 miles
Aug 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 Marineclimate monitoringenvironmental justicecommunity-based monitoringair pollution monitoringmobile applicationspringsmartphone applicationec2020investigationglobal warmingair qualitygirl scoutscitizen sciencestemusaclimateweather dataairandroidsciencebicyclingparticulate matterhikingair quality indexexperimentweatherenvironmentclimate changeautumnnaturesummerwintercarbon monoxideequityair pollutioniphoneappoutdoorscarbon dioxidedatadatabase

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologecologymappingmaptreesgreat britaintreegreat britianenvironmentuk
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