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co2
within 25 miles
Aug 31, 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 Marinehikingsummerandroidiphoneappstemscienceair quality indexgirl scoutsweather dataenvironmental justiceclimate monitoringparticulate mattersmartphone applicationinvestigationclimateglobal warmingair pollutionenvironmentec2020carbon monoxideexperimentweatherclimate changebicyclingequityairoutdoorswinterair pollution monitoringdataspringmobile applicationcitizen sciencenaturecommunity-based monitoringcarbon dioxideusadatabaseautumnair quality

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreesukgreat britainecologecologymappingtreeenvironmentgreat britianmap
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