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within 25 miles
May 13, 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 Marinedatabasesmartphone applicationglobal warmingoutdoorsdataautumnexperimenthikingparticulate mattersciencecommunity-based monitoringmobile applicationbicyclingappspringsummerusagirl scoutsandroidiphoneinvestigationcitizen scienceair quality indexclimatenatureair qualityweathercarbon dioxideequityweather datastemclimate monitoringair pollution monitoringec2020environmentenvironmental justiceaircarbon monoxidewinterair pollutionclimate change

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymaptreeecologytreesecologgreat britianukgreat britainenvironmentmapping
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