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co2
within 25 miles
Jul 23, 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 Marineclimatesummerdatabasestemiphoneair qualitysciencecitizen sciencedatasmartphone applicationbicyclinghikingoutdoorsinvestigationair quality indexec2020particulate matterclimate monitoringexperimentglobal warmingcarbon dioxidegirl scoutsmobile applicationair pollution monitoringautumnweatherair pollutionappcarbon monoxideandroidequityairclimate changeweather dataenvironmental justicenatureenvironmentcommunity-based monitoringwinterusaspring

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreesenvironmentecologgreat britainmappingtreeecologymapgreat britianuk
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