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co2
within 25 miles
Sep 4, 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 Marinecarbon monoxidecommunity-based monitoringairsmartphone applicationparticulate matterappair pollution monitoringclimate changeandroidgirl scoutsdatabasesciencenaturesteminvestigationspringenvironmentcitizen scienceair pollutionwinteriphonemobile applicationair qualityexperimentoutdoorsautumncarbon dioxidesummerair quality indexequityclimateweatherclimate monitoringbicyclinghikingweather dataenvironmental justiceusadataglobal warmingec2020

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologymappingmapecologtreesgreat britaintreeukgreat britianenvironment
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