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within 25 miles
Feb 14, 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 Marinescienceautumngirl scoutscarbon monoxideclimate monitoringcommunity-based monitoringaircitizen scienceiphoneusaec2020databicyclingappcarbon dioxidespringair quality indexequitydatabaseweather datastemenvironmental justicemobile applicationexperimentandroidparticulate matterinvestigationwinterglobal warmingair pollution monitoringclimate changeenvironmentweathersummerair qualityclimatehikingoutdoorsair pollutionsmartphone applicationnature

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britianukenvironmentecologmappingmapgreat britaintreeecologytrees
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