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co2
within 25 miles
Jul 28, 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 Marineaircitizen sciencebicyclingclimateair qualitycommunity-based monitoringiphonecarbon monoxidehikingcarbon dioxidescienceclimate changeautumnweatherdatabasemobile applicationequityandroidglobal warmingparticulate matterwinterstemweather dataspringenvironmentnatureair pollution monitoringgirl scoutsinvestigationenvironmental justiceclimate monitoringexperimentappair quality indexdatasummersmartphone applicationair pollutionec2020outdoorsusa

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyukmapgreat britaintreetreesecologygreat britianecologenvironmentmapping
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