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co2
within 25 miles
Nov 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 applicationstemsummerclimategirl scoutsec2020weather datascienceparticulate matterdatabaseair qualitycarbon monoxideair pollutionoutdoorsandroidiphoneautumnhikinginvestigationwinterweatherexperimentairappmobile applicationenvironmental justicespringair quality indexbicyclingdataequitycitizen sciencenatureusacommunity-based monitoringglobal warmingcarbon dioxideclimate monitoringenvironmentclimate changeair pollution monitoring

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceComputers & TechnologyNature & OutdoorsEcology & Environmentmappingukecologmapecologygreat britiangreat britainenvironmenttreetrees
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