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within 25 miles
May 16, 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 Marineexperimentmobile applicationbicyclingdatadatabaseiphoneair pollutionequitystemcommunity-based monitoringair quality indexoutdoorsclimate monitoringinvestigationcitizen scienceparticulate matterusaair qualitycarbon monoxideenvironmentec2020springautumnglobal warmingair pollution monitoringweather datahikingwintersummerandroidenvironmental justiceclimate changeweathersciencegirl scoutssmartphone applicationairappcarbon dioxidenatureclimate

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyuktreestreeenvironmentmappingecologygreat britianecologgreat britainmap
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