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co2
within 25 miles
Sep 12, 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 Marineec2020carbon dioxidebicyclingsummercarbon monoxidespringequityautumnexperimentusadatabaseair quality indexair qualityenvironmentsmartphone applicationcommunity-based monitoringcitizen scienceglobal warmingparticulate matterandroidscienceclimate monitoringiphoneoutdoorswinterclimate changeappinvestigationhikingweather dataair pollution monitoringair pollutionstemdatamobile applicationairweathergirl scoutsclimateenvironmental justicenature

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologukgreat britianecologytreesgreat britainmaptreemappingenvironment
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