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within 25 miles
Dec 25, 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 Marinenatureclimate changeair pollutionairenvironmentgirl scoutsappec2020scienceparticulate matterstemcarbon dioxideinvestigationsummerair qualityexperimentweatherautumncitizen scienceair pollution monitoringdatabasecommunity-based monitoringspringair quality indexclimatedataglobal warmingusaenvironmental justicesmartphone applicationcarbon monoxideiphoneclimate monitoringbicyclingweather datawinteroutdoorsmobile applicationandroidhikingequity

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreesgreat britainmapmappingenvironmenttreeukecologyecologgreat britian
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