top viewed 2021

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May 6, 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 MarineFoodAgriculturesummerdietfallgirl scoutswildlifecookiesrob dunn labtop2022anttop viewed 2021springoutsidenutritionpicnicnorth carolinaant picnicfunsummer reading 2021your wild lifewinternutrientstop 22 in 2022dunn labrob dunnants

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasatop viewed 2021planet ninesolar systemplanetsstars_nasanasa-sciactnasa-supportedbrown dwarfswise

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 cicadastop viewed 2021cicadainsectcicadasinsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop2022pipestop viewed 2021top 22 in 2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsphoto idorcasorcakiller whaleanimalhumpbacksea mammalecology & environmentwhale watchnon-invasivefin whalewhale trackingmappingcetaceanphotographygpsfinmigrationconservationminkewhale biologyidentificationwhale migrationstorytellingwhale watchingrescuestrandingmarine mammalogyminke whalestorymammalseaunderwateroceanstracksea animalocean-dwellingcitizen sciencetrackingmarine mammalphoto identificationwhalesdolphinstorieswhaleresearchmammalsphotohumpbackswildlifeoceannature & outdoorstop viewed 2021map

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentlibrarycsm2026top viewed 2021csm-featuredtop2022startop 22 in 2022girl scoutslight pollutionna

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 & Weathernasaatmospherecsm2026globenasa gocloudsgirl scoutscsm-featurednasa-sciactcsm2025top viewed 2021climatedusttop 22 in 2022appnasa-supportedweather_nasathe globe programdust stormstop2022earth2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentec2020naturalistappandroidbiodiversityiphonenaturecsm-featuredtop 22 in 2022summer reading 2021insect populationstop viewed 2021librarymuseumcsm2026gardentop2022girl scouts

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentclimate educationsciencetop 22 in 2022radiosnowcoastal changeclimateremote sensingclimate sciencetop2022csm2025funrainfloodcitizen science waterearth sciencegirl scoutsheatlos angelesnasasatellitesneighborhoodcommunity engagementcommunitynew orleansjet propulsion laboratoryphotographyyale climate connectionscitizen journalismmappingcityclimate changestoriespublic mediaweathermarine environmentresiliencecsm-featurednprurban heatjournalismcitizen sciencejulia kumari drapkincarbonsensorscrowdsourcingsea level riseearthnasa orbiting carbon observatorymountainswnycmiamitop viewed 2021droughtnew yorktrees urban street forest mapurban heat islandbirdsearth2025beachesbackyardtrees

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationmarine debriswaste managementecology & environmentmarinedebrisocean pollutiontop viewed 2021trackercsm-featuredplastic pollutioncsm2025earth2025girl scoutscsm2026litternature & outdoorsapp

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