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within 25 miles
May 9, 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 Marineparticulate matternaturemobile applicationair pollution monitoringcarbon monoxideexperimentscienceairclimate changeair qualitycarbon dioxidestemsummerwinterandroidair pollutionenvironmenthikingdataoutdoorsautumnbicyclingglobal warmingusagirl scoutsspringenvironmental justiceweathersmartphone applicationappec2020air quality indexiphonedatabaseclimateinvestigationequityweather datacommunity-based monitoringclimate monitoringcitizen science

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologytreesmappingukenvironmentgreat britainmapgreat britianecologyecologtree
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