top viewed 2021

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Jun 21, 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 MarineFoodAgriculturefunfallantrob dunntop2022girl scoutsantspicnictop 22 in 2022springwildlifenutrientsoutsidenorth carolinayour wild lifewinterdietcookiesant picnicdunn labsummer reading 2021rob dunn labsummernutritiontop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasa_nasaplanet ninetop viewed 2021starsplanetswisesolar systemnasa-supportedbrown dwarfsnasa-sciact

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 & Outdoorsinsectstop viewed 2021periodical cicadascicadacicadasinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop viewed 2021top2022top 22 in 2022waterhealthpipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorskiller whalemapoceansnature & outdoorsnon-invasivesea mammalhumpbackphototop viewed 2021whaleswhalestoryresearchwhale watchmarine mammalminkeorcarescuewhale biologywildlifegpsidentificationanimalocean-dwellingtrackingfin whalewhale trackingunderwatersea animalstorytellingwhale migrationwhale watchingtrackminke whalemammalmammalsconservationphotographyphoto identificationstrandingstoriesmarine mammalogymigrationorcasfinoceanhumpbackscetaceanmappingcitizen scienceecology & environmentseadolphinphoto id

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentlight pollutionnatop viewed 2021startop 22 in 2022_moslibrarytop2022csm2026csm-featuredgirl scouts

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherOcean Water MarineNature & OutdoorsGeology & Earth ScienceAstronomy & SpaceEcology & Environmentnasa gogirl scoutsearth2025top2022nasaweathernasa-sciactcsm2025globetop viewed 2021appthe globe programdustnasa-supportedclimate_nasacsm-featuredatmospheretop 22 in 2022csm2026cloudsdust storms

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentlibrarymuseumapptop 22 in 2022androidtop2022insect populations_mosgirl scoutstop viewed 2021gardensummer reading 2021csm2026ec2020natureiphonenaturalistcsm-featuredbiodiversity

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentraintreescarbonjulia kumari drapkinnasanew yorkmiamitrees urban street forest mapcitizen journalismmappingcsm-featuredremote sensingresiliencephotographytop viewed 2021csm2025top 22 in 2022yale climate connectionsbirdssatellitesfuncitizen science watersnowradiownyccommunity engagementdroughtjournalismurban heat islandclimatecoastal changemarine environmenttop2022floodearthbeachesearth2025crowdsourcingclimate educationnasa orbiting carbon observatoryurban heatjet propulsion laboratoryclimate changestoriesheatbackyardpublic mediacitizen sciencecommunitysensorslos angelesneighborhoodmountainsnprsea level riseweathergirl scoutsclimate scienceearth sciencesciencecitynew orleans

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationtop viewed 2021nature & outdoorsearth2025csm2025plastic pollutioncsm2026ecology & environmenttrackermarine debrisocean pollutioncsm-featuredapplitterwaste managementgirl scoutsdebrismarine

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