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co2
within 25 miles
Sep 30, 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 Marineec2020environmentcarbon dioxideexperimentinvestigationcarbon monoxideusaglobal warmingsummersmartphone applicationsciencecitizen scienceweatheriphoneair pollution monitoringcommunity-based monitoringmobile applicationbicyclingweather dataenvironmental justicedatahikingoutdoorsclimateair qualityclimate monitoringappdatabasewintergirl scoutsair quality indexequityandroidairstemair pollutionautumnnaturespringclimate changeparticulate matter

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britianenvironmenttreesecologmappingtreeukgreat britainecologymap
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