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co2
within 25 miles
Feb 18, 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 Marineautumnair pollution monitoringcommunity-based monitoringappweatherparticulate matterair qualitybicyclingglobal warmingoutdoorsair quality indexclimatewinterenvironmental justicegirl scoutsec2020climate changemobile applicationandroidiphonesmartphone applicationweather datadataairclimate monitoringnaturehikingstemsummerdatabasecarbon monoxideequitycarbon dioxideenvironmentexperimentspringusaair pollutionsciencecitizen scienceinvestigation

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreestreemapecologygreat britianukenvironmentecologmappinggreat britain
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