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within 25 miles
May 24, 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 Marineclimate changecarbon monoxidewinterair quality indexclimateequitycarbon dioxideoutdoorsgirl scoutsair pollutioncommunity-based monitoringmobile applicationparticulate matterstembicyclingenvironmental justiceair qualityexperimentec2020appdatascienceiphonesmartphone applicationglobal warmingair pollution monitoringcitizen scienceinvestigationenvironmentspringsummerweather dataclimate monitoringweatherhikingdatabaseautumnnatureandroidairusa

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britaintreegreat britiantreesmappingenvironmentecologyukecologmap
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