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co2
within 25 miles
Mar 29, 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 Marinecarbon dioxidesciencesmartphone applicationsummergirl scoutscitizen scienceair qualityair pollution monitoringclimateglobal warmingusaappdatabaseandroidcommunity-based monitoringcarbon monoxideexperimentair pollutionbicyclingstemparticulate matterautumnenvironmental justiceairclimate changeec2020weatheriphoneair quality indexspringmobile applicationenvironmentdatahikingoutdoorsclimate monitoringinvestigationnaturewinterweather dataequity

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymappingenvironmentgreat britainecologecologymapgreat britiantreestreeuk
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