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 MarineBiologykick samplingriverfliesarmimacroinvertebrtesriverfly monitoringriverfly partnershipanglers riverfly monitoring initiative

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 monitoringec2020particulate matterequityspringusacitizen sciencedataweather dataenvironmental justiceair pollution monitoringclimatecarbon dioxideair quality indexexperimentenvironmentandroidair pollutionairnatureair qualityweatheriphonewintermobile applicationautumnscienceclimate changesmartphone applicationglobal warminghikingcommunity-based monitoringbicyclinggirl scoutsinvestigationsummercarbon monoxideoutdoorsdatabasestemapp

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

Arizona Science Center

Arizona Science Center: Girls in STEM – Deep Blue Discovery

Arizona Science Center Arizona

May 9, 2026 at 7:00 AM

CommunityGeneral Science

Arizona Science Center

Arizona Science Center: Girls in STEM – Deep Blue Discovery

Arizona Science Center Arizona

May 9, 2026 at 7:00 AM

CommunityGeneral Science

Astronomy On Tap

Astronomy On Tap-ABQ: Exoplanet Extravaganza

Bow & Arrow Brewing Co NM

April 22, 2026 at 12:00 AM through 3:00 AM

Community

Astronomy On Tap

Astronomy on Tap Leiden: The Sun and Stars

Culture Café Leidse Lente

April 13, 2026 at 6:00 PM through 8:00 PM

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 ScienceNature & OutdoorsAnimalsBirdsEcology & EnvironmentBiologybird recordingipadandroidbird watchingmammalsunited kingdomiphonebirds of conservation concernbirdbirdingmigration phenologymigrant birdsdragonfliesirelandcitizen sciencebird migrationbirdwatchingapp

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 & Spaceuniverseblackholesimaging

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The Riverfly Partnership

Anglers Riverfly Monitoring Initiative (ARMI)

2B Technologies, Inc.

AQTreks (AirQualityTreks)

The Music Lab at Yale University

Are You a Super-Listener?

Arizona Science Center

Arizona Science Center: Girls in STEM – Deep Blue Discovery

Arizona Science Center

Arizona Science Center: Girls in STEM – Deep Blue Discovery

Astronomy On Tap

Astronomy On Tap-ABQ: Exoplanet Extravaganza

Astronomy On Tap

Astronomy on Tap Leiden: The Sun and Stars

Bird Conservation Network

Bird Conservation Network Survey

British Trust for Ornithology

BirdTrack

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

Black Hole Finder

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