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within 25 miles
Nov 14, 2026
21 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!

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Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinesummeriphoneec2020dataautumnparticulate matterweather datacommunity-based monitoringenvironmentcarbon dioxideair qualityandroidexperimentmobile applicationcitizen scienceair pollutionwinterusaequityairair pollution monitoringhikingair quality indexclimate changestemscienceoutdoorsinvestigationenvironmental justicebicyclingdatabasenatureglobal warmingclimate monitoringgirl scoutsspringappweathersmartphone applicationcarbon monoxideclimate

iNaturalist

iNaturalist

Share observations of biodiversity.

Anywhere
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Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinecsm-featuredec2020biodiversitygardentop viewed 2021top 22 in 2022csm2026girl scoutsdisney_mosmuseumandroidnaturalisttop2022natureiphoneinsect populationsappsummer reading 2021libraryecology

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