We're in beta! If you find a bug or have feedback, let us know in our issue tracker.

Search Opportunities
co2
within 25 miles
Oct 25, 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 Marineappclimateenvironmental justiceparticulate matterinvestigationusaglobal warmingair pollution monitoringdatabasehikingcitizen scienceair qualitysciencecommunity-based monitoringair quality indexgirl scoutsiphoneweatherautumnsummerair pollutionbicyclingwinterclimate changedataclimate monitoringspringec2020outdoorsnaturesmartphone applicationexperimentequityandroidmobile applicationweather datastemairenvironmentcarbon monoxidecarbon dioxide

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britianecologenvironmentmapukmappinggreat britaintreeecologytrees
1

Share Your Results

Share the list by copying the link below

Copy Link