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co2
within 25 miles
Mar 26, 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 Marineusastemweatherclimate monitoringair pollution monitoringinvestigationcitizen scienceweather dataiphonesummerair pollutionexperimentdatabasescienceenvironmentclimate changecommunity-based monitoringhikinggirl scoutsautumnair quality indexglobal warmingec2020environmental justiceairdataandroidnaturespringmobile applicationoutdoorscarbon monoxideair qualitysmartphone applicationclimateparticulate matterbicyclingappwintercarbon dioxideequity

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymappingecologygreat britiantreesenvironmentukgreat britaintreeecologmap
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