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co2
within 25 miles
Aug 30, 2025
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 Marineusaair pollution monitoringsummerandroidweather dataiphoneappoutdoorsair pollutionhikingair qualityglobal warmingaircitizen scienceparticulate mattercommunity-based monitoringinvestigationcarbon monoxidegirl scoutsdatabaseclimate changeclimate monitoringbicyclingmobile applicationenvironmental justiceclimatedataenvironmentair quality indexstemexperimentec2020autumnspringnaturewinterequitysmartphone applicationweathersciencecarbon dioxide

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologygreat britianmaptreetreesenvironmentmappingecologukecologygreat britain
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