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within 25 miles
May 22, 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 Marineair pollutionec2020air pollution monitoringoutdoorshikingsummerspringusaenvironmental justicedatacitizen scienceclimate monitoringiphonecarbon monoxideexperimentsmartphone applicationcarbon dioxideclimateinvestigationautumnparticulate matterairenvironmentweatherclimate changebicyclingglobal warmingsciencenatureair quality indexappstemweather dataandroidair qualitywintergirl scoutsmobile applicationcommunity-based monitoringequitydatabase

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymapecologygreat britaingreat britianecologenvironmentmappingtreeuktrees
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