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co2
within 25 miles
Aug 20, 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 changeair pollutionmobile applicationgirl scoutsautumnexperimentinvestigationcarbon monoxidenaturesummerclimate monitoringandroidair quality indexec2020hikingweather dataair qualitybicyclingspringsmartphone applicationcommunity-based monitoringwinterappstemusadataiphonescienceaircitizen scienceair pollution monitoringweathercarbon dioxidedatabaseclimateenvironmental justiceequityoutdoorsglobal warmingparticulate matterenvironment

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologyukgreat britainmappinggreat britiantreesmapenvironmentecologtree
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