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within 25 miles
May 30, 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 Marineair pollution monitoringglobal warmingdatasciencespringiphoneautumncommunity-based monitoringbicyclingcarbon dioxidecarbon monoxideair quality indexexperimentaircitizen scienceinvestigationclimateweather dataandroidusaenvironmental justiceequityenvironmentstemoutdoorsdatabasesummernatureparticulate mattergirl scoutswintersmartphone applicationair qualityec2020air pollutionappweatherclimate monitoringhikingclimate changemobile application

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyenvironmentgreat britainukmaptreetreesmappingecologecologygreat britian
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