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within 25 miles
May 19, 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 Marinemobile applicationenvironmentcarbon dioxideweather datacarbon monoxideair pollution monitoringenvironmental justiceoutdoorsclimate monitoringinvestigationusadatabasesummerweatherdataair pollutionappclimateandroidautumnwinterairair qualitycommunity-based monitoringexperimentstemscienceec2020climate changenatureglobal warmingsmartphone applicationbicyclingequityspringiphonecitizen scienceparticulate matterhikingair quality indexgirl scouts

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologymappingecologytreeukenvironmentgreat britianecologtreesgreat britainmap
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