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co2
within 25 miles
Jul 2, 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 Marineglobal warmingenvironmental justicedatadatabasescienceairappweathernaturegirl scoutsair pollution monitoringclimate changeexperimentcarbon monoxideusaclimateair quality indexcitizen scienceclimate monitoringwinterweather datasmartphone applicationspringequityair pollutioniphonecommunity-based monitoringparticulate matterbicyclingenvironmenthikingcarbon dioxideoutdoorssummerair qualityandroidinvestigationautumnstemmobile applicationec2020

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyenvironmentgreat britianmapgreat britainecologmappingecologytreeuktrees
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