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co2
within 25 miles
Sep 28, 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 Marinewintersmartphone applicationcitizen sciencecarbon dioxideinvestigationexperimentusaenvironmentautumncarbon monoxidestemclimatesummerec2020databasescienceair pollutionairiphonecommunity-based monitoringhikingmobile applicationclimate monitoringappequitydataclimate changeweather dataparticulate matterenvironmental justiceweatherair pollution monitoringgirl scoutsbicyclingnatureoutdoorsandroidspringglobal warmingair qualityair quality index

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britianecologmapenvironmentgreat britainecologyuktreesmappingtree
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