top viewed 2021

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May 23, 2026

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceAgricultureFoodOcean Water MarineEcology & EnvironmentEducationInsects & PollinatorsNature & Outdoorsspringnutrientswintertop viewed 2021summerdunn labpicnictop2022girl scoutswildliferob dunn labantsantsummer reading 2021your wild lifecookiesrob dunndietoutsidenorth carolinaant picnicfuntop 22 in 2022nutritionfall

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfswisenasa-sciactstarssolar systemtop viewed 2021planet ninenasanasa-supportedplanets_nasa

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 & Outdoorscicadasinsectsperiodical cicadasinsecttop viewed 2021cicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022watertop viewed 2021top 22 in 2022healthpipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhaleocean-dwellingoceanswhale watchorcaanimalkiller whalestorytellingnon-invasivetop viewed 2021underwaterecology & environmentphoto idmarine mammaltrackcitizen scienceminkehumpbackmammalphotographytrackingwhale biologyresearchidentificationfin whalestrandingoceanmapconservationmappingwildlifemigrationhumpbacksnature & outdoorsgpsrescueminke whalesea animalmarine mammalogyorcasphotophoto identificationseawhale trackingfinstoriessea mammalstorydolphinwhale migrationcetaceanwhaleswhale watchingmammals

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacelibrarytop 22 in 2022natop2022_moscsm2026light pollutionstarcsm-featuredgirl scoutstop viewed 2021

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAstronomy & SpaceGeology & Earth ScienceOcean Water MarineNature & OutdoorsClimate & Weatherthe globe programapptop viewed 2021globe_nasatop 22 in 2022nasa-sciactnasa gocsm2026nasaweatherdustcsm2025atmosphereearth2025girl scoutsdust stormscsm-featuredclimatecloudsnasa-supportedtop2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environment_mosinsect populationstop 22 in 2022summer reading 2021iphonemuseumlibrarycsm-featuredgirl scoutsnaturetop2022biodiversitygardenec2020csm2026naturalistappandroidtop viewed 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbirdsrainclimatenasaurban heatscienceradiocarbongirl scoutstop 22 in 2022earth2025citizen science waterclimate educationcsm2025earth sciencefloodsensorsbeachesurban heat islandheattreesdroughtremote sensingcitizen journalismphotographycityneighborhoodcitizen scienceclimate scienceyale climate connectionstop2022new orleanswnycsatellitesclimate changecoastal changemappingmountainsjulia kumari drapkincommunity engagementtrees urban street forest mapmiamisea level risepublic mediacsm-featurednasa orbiting carbon observatorylos angelesearthcommunitycrowdsourcingweathertop viewed 2021backyardsnowresiliencemarine environmentjournalismstoriesjet propulsion laboratorynew yorkfunnpr

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 pollutioncsm-featuredwaste managementdebriscsm2026marine debristop viewed 2021plastic pollutionapplitternature & outdoorsgirl scoutsmarinetrackerecology & environmentearth2025

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