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co2
within 25 miles
Jul 15, 2025
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 Marineair pollution monitoringdatascienceec2020bicyclingweather dataoutdoorsiphoneair quality indexclimate monitoringparticulate matternatureusacitizen scienceinvestigationenvironmental justicesmartphone applicationgirl scoutsappclimateenvironmentweathercarbon monoxidehikingexperimentequityglobal warmingmobile applicationstemspringclimate changesummercommunity-based monitoringdatabaseautumnandroidairair qualitycarbon dioxidewinterair pollution

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyenvironmentmapmappinguktreetreesgreat britiangreat britainecologecology
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