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within 25 miles
Dec 16, 2025
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 Marinecommunity-based monitoringair quality indexparticulate matterairmobile applicationclimate monitoringair qualityappinvestigationsummergirl scoutsequityair pollution monitoringstemhikingdataglobal warmingcitizen scienceweathercarbon monoxideclimateweather dataiphoneec2020springscienceenvironmentclimate changenaturesmartphone applicationbicyclingusawinterenvironmental justiceexperimentautumnandroidcarbon dioxideair pollutiondatabaseoutdoors

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyenvironmenttreemappingecologecologymaptreesgreat britaingreat britianuk
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