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within 25 miles
May 11, 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 Marinesmartphone applicationnaturewinterequitydataexperimentautumnweather datacommunity-based monitoringec2020environmental justiceenvironmentappair quality indexparticulate matterair pollutionair qualitycarbon monoxidesummerclimate changeusacitizen sciencebicyclingairdatabaseinvestigationair pollution monitoringglobal warmingstemmobile applicationcarbon dioxidespringclimateweatherscienceandroidhikingoutdoorsclimate monitoringgirl scoutsiphone

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologyuktreemappingmapecologgreat britiangreat britaintreesenvironment
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