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co2
within 25 miles
Sep 6, 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 Marinespringec2020citizen scienceclimate monitoringoutdoorssummerappair pollution monitoringweather dataenvironmentaircarbon monoxidecommunity-based monitoringweatherair pollutionclimatehikinginvestigationsmartphone applicationclimate changewinterair quality indexandroidusaautumndatabasenatureparticulate matterbicyclingglobal warmingcarbon dioxideair qualitystemiphoneexperimentenvironmental justicescienceequitymobile applicationdatagirl scouts

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreesecologygreat britiantreeenvironmentecologmapgreat britainmappinguk
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