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co2
within 25 miles
Apr 30, 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 Marinemobile applicationscienceexperimentairclimate changeweather datacitizen scienceenvironmental justicecommunity-based monitoringautumnair pollution monitoringsmartphone applicationsummeroutdoorsglobal warmingcarbon monoxidestemclimate monitoringdatabaseinvestigationenvironmentequityandroidiphonecarbon dioxidedatagirl scoutsusanatureec2020bicyclinghikingair pollutionparticulate matterspringwinterair qualityair quality indexclimateweatherapp

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymappingukenvironmentmaptreegreat britainecologyecologgreat britiantrees
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