U.S. Environmental Protection Agency (EPA)

AirMapper: DIY Air Quality Monitoring

Monitor and understand local air quality

Anywhere

Ongoing

Citizen ScienceClimate & WeatherEcology & EnvironmentHealth & Medicineair sensorsdiyair qualitysensorscommunity scienceenvironmental monitoringcarbon dioxidedata collectionair pollutionmappingatmospheric scienceparticulate matterstem educationenvironmental science

The Riverfly Partnership

Anglers Riverfly Monitoring Initiative (ARMI)

early warning system for acute river pollution incidents

Multiple locations, including yours!

Ongoing

Citizen ScienceEcology & EnvironmentEducationAnimalsInsects & PollinatorsNature & OutdoorsClimate & WeatherOcean Water MarineBiologyanglers riverfly monitoring initiativemacroinvertebrtesriverfly partnershipriverfly monitoringkick samplingarmiriverflies

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 indexandroidgirl scoutsoutdoorscarbon dioxideequitycommunity-based monitoringair pollutionenvironmentec2020mobile applicationdataglobal warmingweatherairsmartphone applicationcarbon monoxideclimatecitizen scienceweather dataspringexperimentiphoneusaenvironmental justicenaturescienceappwinterinvestigationair qualityhikingair pollution monitoringclimate monitoringstemsummerautumnclimate changeparticulate matterdatabasebicycling

The Music Lab at Yale University

Are You a Super-Listener?

Determine ability to differentiate harmonic categories by ear.

Anywhere

Ongoing

Citizen ScienceSoundPsychologyyale music lab

Astronomy On Tap

Astronomy on Tap – Orlando Event #36: Red Planet Ice and the Asteroids Beyond

Bruder Brewery & Kitchen FL

November 6, 2026 at 12:00 AM through 2:00 AM

Community

Astronomy On Tap

Astro on Tap Victoria: The Golden Age of Astronomy & How to Build a Planet

The Vicious Poodle BC

November 20, 2026 at 2:00 AM through 4:00 AM

Community

Bird Conservation Network

Bird Conservation Network Survey

Help map bird distribution in the Greater Chicago region.

Illinois

Ongoing

Citizen ScienceEcology & EnvironmentBirdsAnimalsNature & Outdoorsillinoischicagoebird

British Trust for Ornithology

BirdTrack

Help researchers investigate migration of birds.

Anywhere

Ongoing

Citizen ScienceBiologyEcology & EnvironmentBirdsAnimalsNature & Outdoorsandroidbird recordingunited kingdombirds of conservation concernbird migrationappmigration phenologycitizen sciencebirdirelandmammalsbird watchingbirdwatchingiphoneipadbirdingdragonfliesmigrant birds

Pocket Science Citizen Science Apps (DDQ B.V.)

Black Hole Finder

Help astronomers to find and measure newly formed black holes

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceimaginguniverseblackholes

University of Maine Cooperative Extension 4-H

Bryant Pond Summer Camp

Orono Maine

Ongoing

CampWorkshopBiologyGeneral ScienceSummer

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U.S. Environmental Protection Agency (EPA)

AirMapper: DIY Air Quality Monitoring

The Riverfly Partnership

Anglers Riverfly Monitoring Initiative (ARMI)

2B Technologies, Inc.

AQTreks (AirQualityTreks)

The Music Lab at Yale University

Are You a Super-Listener?

Astronomy On Tap

Astronomy on Tap – Orlando Event #36: Red Planet Ice and the Asteroids Beyond

Astronomy On Tap

Astro on Tap Victoria: The Golden Age of Astronomy & How to Build a Planet

Bird Conservation Network

Bird Conservation Network Survey

British Trust for Ornithology

BirdTrack

Pocket Science Citizen Science Apps (DDQ B.V.)

Black Hole Finder

University of Maine Cooperative Extension 4-H

Bryant Pond Summer Camp

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