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co2
within 25 miles
Jul 8, 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 Marineclimateair pollutionair qualityclimate changeair pollution monitoringbicyclingcarbon monoxideweatherhikingenvironmentexperimentspringwintersummerair quality indexnatureusagirl scoutsdatabaseec2020iphoneparticulate matteroutdoorscarbon dioxideautumncitizen sciencesmartphone applicationglobal warmingmobile applicationequityappandroidstemdatascienceweather dataclimate monitoringenvironmental justiceaircommunity-based monitoringinvestigation

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologukgreat britianecologymaptreetreesgreat britainenvironmentmapping
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