top viewed 2021

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Oct 3, 2026

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & PollinatorsEducationEcology & EnvironmentOcean Water MarineFoodAgriculturewinterdata literacyant picnicantinsectsdunn labfunoutsidewildlifetop viewed 2021fallantsdietscientific methodnorth carolinapicnicsummercookiesnutritionrob dunnnutrientsrob dunn labtop2022top 22 in 2022springsummer reading 2021your wild lifegirl scouts

NASA / Zooniverse

Backyard Worlds: Planet 9

Search the realm beyond Neptune for new brown dwarfs and planets.

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet nineplanetssolar system_nasabrown dwarfswisetop viewed 2021nasanasa-sciactnasa-supportedstars

Mount St. Joseph University

Cicada Safari

To map the distribution of periodical cicada and annual cicada emergences.

Multiple locations, including yours!

Ongoing through September 1, 2027 at 4:00 AM

Citizen ScienceInsects & PollinatorsNature & Outdoorsperiodical cicadascicadastop viewed 2021insectscicadainsect

Crowd the Tap

We’re creating a national inventory of tap water pipes.

Multiple locations, including yours!

Ongoing

Citizen Sciencehealthtop2022watertop 22 in 2022pipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsoceanminke whalemapphoto idmarine mammalstorytellinggpsminkeunderwaterwhale trackingwildlifemigrationorcasphotographyphoto identificationhumpbacksea mammaltracknon-invasiveanimalecology & environmentnature & outdoorsocean-dwellingmammalsorcatop viewed 2021rescuemappingidentificationwhale migrationwhale biologystoriesstrandingcitizen sciencetrackingwhale watchingsea animalmammalcetaceanwhalephotoconservationdolphinstoryoceanskiller whalewhalesfinwhale watchmarine mammalogyresearchseafin whalehumpbacks

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacecsm2026pollutiontop viewed 2021light pollutiontop2022girl scouts_mosstarastronomynacsm-featuredtop 22 in 2022policylibrary

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherNature & OutdoorsOcean Water MarineGeology & Earth ScienceAstronomy & SpaceEcology & Environmentthe globe programappnasaweathertop 22 in 2022earth2025globecsm2025nasa godata collectioncloudstop2022_nasacsm-featuredcsm2026atmospheredustmeteorologygirl scoutsclimatetop viewed 2021nasa-sciactdust stormsnasa-supported

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinecsm-featuredtop2022summer reading 2021librarynaturemuseumiphonenaturalistgirl scoutsec2020csm2026_mosinsect populationsdisneytop viewed 2021appgardenandroidecologytop 22 in 2022biodiversity

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentyale climate connectionsnasa orbiting carbon observatoryresiliencetop2022birdscitizen science waterweatherremote sensingcoastal changetreesearth sciencecommunity engagementphotographyneighborhoodsnowcarbonpublic mediatrees urban street forest mapsatellitesfloodclimate sciencenasatop 22 in 2022sensorswnyccitizen journalismclimatemarine environmentcommunityclimate educationlos angelesradiobeachesfunmiaminew orleansstoriesjournalismclimate changejet propulsion laboratorybackyarddroughtearthheatcitizen sciencegirl scoutscsm2025cityearth2025nprurban heatcrowdsourcingurban heat islandsciencesea level risetop viewed 2021new yorkcsm-featuredjulia kumari drapkinrainmountainsmapping

Marine Debris Tracker

Monitor litter where you find it, from our oceans to your backyard.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2025ocean pollutionecology & environmentappmarine debrisplastic pollutiontop viewed 2021litterwaste managementtrackernature & outdoorsgirl scoutscsm2026csm-featuredearth2025data collectiondebrismarine

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