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within 25 miles
Aug 27, 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 Marineec2020experimentgirl scoutsscienceweather dataenvironmental justiceparticulate matterglobal warmingappdatabaseclimate monitoringcitizen sciencedatainvestigationairequitycommunity-based monitoringair pollution monitoringcarbon dioxideenvironmentclimate changemobile applicationcarbon monoxidehikingclimatestemiphonespringsmartphone applicationair qualityair pollutionweatherandroidnatureoutdoorswinterbicyclingair quality indexsummerautumnusa

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyenvironmentgreat britainecologytreestreemapmappinggreat britianecologuk
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