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co2
within 25 miles
Mar 30, 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 Marinesciencedatabasegirl scoutsclimate monitoringiphonedataair qualitycarbon dioxideclimatesummerair quality indexparticulate matterair pollutionappautumnequityandroidcarbon monoxidehikingec2020community-based monitoringair pollution monitoringairbicyclingglobal warmingoutdoorsclimate changeweatherwintercitizen scienceenvironmental justicenaturespringinvestigationstemweather datausaenvironmentexperimentsmartphone applicationmobile application

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyuktreeecologtreesecologygreat britainmappinggreat britianenvironmentmap
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