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
Dec 21, 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 Marinestemequityclimate changewinterautumnec2020airair quality indexweathercarbon monoxideappglobal warmingclimatedatabasecitizen scienceenvironmental justicedatasmartphone applicationhikingexperimentnatureair qualityair pollution monitoringbicyclingoutdoorsspringscienceclimate monitoringmobile applicationandroidiphoneair pollutionenvironmentusasummergirl scoutsparticulate mattercarbon dioxideweather datacommunity-based monitoringinvestigation

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreesgreat britainukmappingmapecologtreegreat britianenvironmentecology
1

Share Your Results

Share the list by copying the link below

Copy Link