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co2
within 25 miles
Nov 1, 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 Marineair quality indexinvestigationhikingexperimentenvironmental justicescienceusaweather dataoutdoorsair pollutionbicyclingspringglobal warmingcarbon monoxidedatabasesmartphone applicationiphonemobile applicationautumnnatureparticulate matterequityandroidclimate changegirl scoutsweathersummerwintercommunity-based monitoringclimateair qualitycarbon dioxideappairenvironmentair pollution monitoringstemcitizen scienceclimate monitoringec2020data

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologygreat britaintreemapmappingtreesgreat britianukenvironmentecolog
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