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
Jan 12, 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 Marineparticulate matternaturespringmobile applicationair qualityusacitizen scienceglobal warmingsmartphone applicationstemair quality indexsummerappwinterweather datadataclimate monitoringgirl scoutsclimate changebicyclingair pollutionequityenvironmentcommunity-based monitoringairweatherexperimentec2020hikinginvestigationclimatecarbon monoxideandroidsciencecarbon dioxideenvironmental justiceautumnair pollution monitoringiphoneoutdoorsdatabase

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologytreetreesmappinggreat britianmapgreat britainecologukenvironment
1

Share Your Results

Share the list by copying the link below

Copy Link