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co2
within 25 miles
Sep 27, 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 Marinestemsummercarbon dioxideiphoneautumnmobile applicationbicyclinghikingenvironmentparticulate mattercitizen scienceoutdoorscarbon monoxideexperimentclimate monitoringenvironmental justiceair pollutionsmartphone applicationcommunity-based monitoringdataappair quality indexequityweather datadatabaseairnatureusagirl scoutsclimateandroidscienceair qualityspringweatherglobal warmingec2020winterclimate changeair pollution monitoringinvestigation

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyenvironmentgreat britainmapecologecologytreeukgreat britianmappingtrees
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