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co2
within 25 miles
Sep 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 Marinegirl scoutsglobal warmingautumnequityappcommunity-based monitoringhikingair pollutionmobile applicationairclimate monitoringiphoneandroidenvironmentweatherparticulate matternatureenvironmental justicecarbon dioxidedatabaseclimateclimate changesmartphone applicationbicyclingwinterec2020sciencestemsummercarbon monoxideair quality indexusacitizen sciencedataair qualityweather dataspringexperimentair pollution monitoringoutdoorsinvestigation

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreeenvironmentgreat britainmappingecologygreat britianecologukmaptrees
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