top viewed 2021

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Jun 20, 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 MarineFoodAgricultureoutsidefunfallsummer reading 2021girl scoutsrob dunnsummerantdunn labnutritionnorth carolinayour wild liferob dunn labwinternutrientsspringwildlifetop2022top 22 in 2022picniccookiesant picnicdietantstop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfsnasa-supportednasa-sciactwiseplanet ninestarsnasa_nasaplanetstop viewed 2021solar system

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 2021cicadascicadainsectinsectsperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencewatertop 22 in 2022healthtop2022pipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsocean-dwellingorcatrackingwhale watchingresearchecology & environmentcitizen scienceseaminkephoto idmappingwildlifeminke whaletrackrescuewhale trackingmammalmarine mammalkiller whaleanimalmapoceanssea animalgpshumpbackswhalestorytellingphotonon-invasivewhale migrationphotographystoriesidentificationnature & outdoorsmarine mammalogymammalshumpbackphoto identificationfin whalewhale watchstoryoceanorcasmigrationsea mammalwhale biologycetaceanwhalesconservationstrandingdolphintop viewed 2021finunderwater

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentgirl scoutslight pollutiontop2022csm2026top 22 in 2022startop viewed 2021csm-featuredna_moslibrary

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 & Environmenttop 22 in 2022nasa-supportednasatop viewed 2021cloudsappdustnasa-sciactglobeweatherearth2025top2022_nasathe globe programnasa gocsm2026atmospherecsm2025dust stormsclimatecsm-featuredgirl scouts

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentcsm-featuredgardencsm2026top2022biodiversitygirl scoutsec2020insect populationssummer reading 2021androidappiphonetop 22 in 2022librarytop viewed 2021_mosmuseumnaturenaturalist

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcommunityjournalismtop 22 in 2022earth sciencejet propulsion laboratoryclimate scienceradioheatlos angelesjulia kumari drapkinclimate educationyale climate connectionsfunsatellitesmountainsurban heat islandtrees urban street forest mapresiliencesensorsraincitytop2022carboncoastal changenasa orbiting carbon observatorycitizen journalismcsm2025snowpublic mediawnycbackyardclimate changesea level risesciencecitizen scienceearth2025crowdsourcingmappingcitizen science waterstoriesnasacommunity engagementgirl scoutsclimateweathercsm-featuredbeachesnew yorkurban heatnew orleanstop viewed 2021nprearthbirdsfloodremote sensingtreesmiamidroughtneighborhoodmarine environmentphotography

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationnature & outdoorsocean pollutionecology & environmentgirl scoutslittertop viewed 2021csm2025csm-featuredplastic pollutionmarinecsm2026marine debristrackerappwaste managementearth2025debris

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