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co2
within 25 miles
Jul 20, 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 qualitycommunity-based monitoringappair quality indexclimate monitoringair pollution monitoringec2020investigationautumnnatureequityglobal warmingclimatecitizen sciencegirl scoutsenvironmentspringmobile applicationsmartphone applicationandroidhikingwinterair pollutionoutdoorscarbon monoxideparticulate matterairbicyclingscienceweathercarbon dioxidestemweather dataiphonesummerexperimentenvironmental justicedatadatabaseclimate changeusa

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyukmapenvironmentecologygreat britainecologmappingtreegreat britiantrees
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