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within 25 miles
Feb 28, 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 monitoringstemsmartphone applicationweatherequityenvironmental justiceair qualityclimate changecitizen scienceinvestigationnatureenvironmentdatasummerbicyclingair quality indexandroidgirl scoutsclimateusaspringair pollution monitoringappcommunity-based monitoringoutdoorsairexperimentec2020iphoneweather dataparticulate mattermobile applicationautumncarbon dioxidecarbon monoxideglobal warmingwinterair pollutionsciencehikingdatabase

Treezilla

Map every tree in Britain

Multiple locations, including yours!

  • Ongoing
Citizen ScienceEcology & EnvironmentNature & OutdoorsComputers & Technologyecologyecologtreesukgreat britainenvironmentmappingtreemapgreat britian
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