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co2
within 25 miles
Mar 5, 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 Marineglobal warminginvestigationenvironmentenvironmental justiceoutdoorssummerstemclimate changeair qualityweatherexperimentandroidcitizen sciencenatureairdatasmartphone applicationclimatemobile applicationautumnbicyclingscienceclimate monitoringspringair quality indexcarbon monoxideair pollutionec2020usacommunity-based monitoringair pollution monitoringwinterparticulate matterequityappgirl scoutscarbon dioxideweather datahikingiphonedatabase

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreeecologyukgreat britaingreat britianenvironmentmapecologtreesmapping
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