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co2
within 25 miles
Apr 24, 2026
10 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 Marinestemautumnwinterexperimentcitizen scienceoutdoorsglobal warmingenvironmental justicedatabaseairair quality indexec2020usaspringair pollutionappdataparticulate matterair pollution monitoringsmartphone applicationcarbon monoxideclimate changeinvestigationsciencesummeriphonegirl scoutsmobile applicationair qualitycommunity-based monitoringclimate monitoringcarbon dioxidehikingclimatenatureandroidbicyclingequityweatherweather dataenvironment

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreegreat britaingreat britianenvironmentecologecologymappingmapuktrees
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