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 5, 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 Marinecitizen scienceinvestigationandroidcommunity-based monitoringbicyclingspringclimate changeappcarbon monoxideweatheriphoneweather dataequityair quality indexdatadatabasecarbon dioxideautumnec2020usastemoutdoorsair qualityair pollutiongirl scoutsenvironmentmobile applicationsmartphone applicationsummerair pollution monitoringenvironmental justiceclimate monitoringnatureglobal warmingairscienceparticulate matterhikingwinterexperimentclimate

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britianukecologytreemappingecologmapenvironmenttreesgreat britain
1

Share Your Results

Share the list by copying the link below

Copy Link