top viewed 2021

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Sep 26, 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 MarineFoodAgriculturenutrientstop viewed 2021summerrob dunn labwildlifeyour wild lifepicnicgirl scoutsantfuntop2022scientific methodant picnicdunn labcookiesfallrob dunnantsspringoutsidediettop 22 in 2022insectssummer reading 2021data literacywinternorth carolinanutrition

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacewisenasa-supportednasa-sciactstarsplanetstop viewed 2021_nasaplanet ninesolar systemnasabrown dwarfs

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 & Outdoorstop viewed 2021cicadainsectcicadasperiodical cicadasinsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop viewed 2021healthtop2022pipestop 22 in 2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmammalsocean-dwellingstoryphotographyfinidentificationstorieswhale watchingsea mammalcitizen sciencestrandingdolphintop viewed 2021orcasmarine mammalmappingwhale trackingnature & outdoorsseamigrationwhale biologyrescuewhale migrationoceanconservationminke whalewhale watchfin whalecetaceanminkemammalphoto identificationunderwatergpsecology & environmentwhaleswildlifehumpbacksmarine mammalogyphoto idmaphumpbackorcaanimaloceanstrackstorytellingsea animalkiller whalenon-invasivetrackingphotowhaleresearch

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022astronomynapolicycsm-featured_mosgirl scoutslight pollutionlibrarystarpollutiontop2022csm2026top viewed 2021

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 & Environmentcsm2026top2022nasa-supportedcsm2025weatherclimatenasaglobetop 22 in 2022nasa godata collectiondust stormsappcloudsearth2025atmospheredustthe globe programnasa-sciactcsm-featured_nasatop viewed 2021girl scoutsmeteorology

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinebiodiversityinsect populationssummer reading 2021androidtop 22 in 2022top2022csm-featuredecologygardengirl scoutslibrarymuseumnaturalistapp_mosnaturetop viewed 2021csm2026disneyec2020iphone

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentfloodsatellitesnew yorktop2022trees urban street forest mapneighborhoodfuncitystoriescarbonlos angelescsm-featurednasasnownprgirl scoutscitizen scienceclimatewnycsea level risecommunity engagementheatsensorsclimate changeraincommunitytop 22 in 2022weathernasa orbiting carbon observatoryphotographyclimate sciencecitizen science wateryale climate connectionstreesclimate educationremote sensingcsm2025julia kumari drapkinearthtop viewed 2021miamijournalismcoastal changemountainsurban heat islandjet propulsion laboratorypublic medianew orleanssciencebackyardurban heatradiomarine environmentcitizen journalismbeachescrowdsourcingdroughtbirdsearth sciencemappingresilienceearth2025

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2026nature & outdoorsdebriscsm-featuredtop viewed 2021girl scoutsocean pollutiontrackerappwaste managementmarine debrisecology & environmentplastic pollutioncsm2025data collectionmarinelitterearth2025

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