top viewed 2021

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May 9, 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 MarineFoodAgriculturerob dunnfallyour wild lifeantsspringtop2022summersummer reading 2021winterdunn labpicnicwildlifenutritionrob dunn labantfuntop viewed 2021nutrientsdietcookiesoutsidenorth carolinaant picnicgirl scoutstop 22 in 2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar systemwisenasa-supported_nasabrown dwarfsstarsnasa-sciactplanet ninenasaplanetstop viewed 2021

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 2021insectinsectscicadasperiodical cicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop viewed 2021top 22 in 2022pipestop2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsstoriesstrandingorcaocean-dwellingoceanphotowhale watchingsea animalidentificationdolphinmammalsgpsminkekiller whalestoryphoto idcetaceantrackunderwateroceanstop viewed 2021ecology & environmentwhale trackingwildlifephotographyhumpbacksmarine mammalogywhalesseafin whaleresearchnature & outdoorsminke whalenon-invasiverescuephoto identificationanimalconservationwhale watchstorytellingwhale biologymaporcaswhalesea mammalwhale migrationhumpbacktrackingmappingmigrationmarine mammalcitizen sciencemammalfin

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentstargirl scoutslibrarytop 22 in 2022top viewed 2021light pollutioncsm2026natop2022csm-featured

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 & Weathercsm2026girl scoutsapptop2022csm-featuredearth2025atmosphereglobenasanasa-sciactdustnasa-supported_nasanasa godust stormstop 22 in 2022the globe programclimatetop viewed 2021weathercsm2025clouds

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentec2020girl scoutstop viewed 2021csm2026naturemuseumandroidtop2022csm-featuredlibrarytop 22 in 2022naturalistbiodiversitysummer reading 2021insect populationsiphonegardenapp

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsatellitessensorsradiocitizen journalismdroughttop2022resilienceearthnasatreesrainstoriesclimate changejulia kumari drapkinnew orleansnprearth2025carboncsm2025csm-featuredsciencecommunitytop 22 in 2022sea level riseurban heatjournalismlos angelesclimate educationcommunity engagementtop viewed 2021remote sensingsnowurban heat islandmarine environmentmountainsclimate sciencetrees urban street forest mapgirl scoutscitybackyardcrowdsourcingearth sciencecoastal changecitizen science waterfunbirdsclimatejet propulsion laboratorywnycyale climate connectionsheatphotographynasa orbiting carbon observatorynew yorkweathercitizen sciencefloodmiamibeachespublic mediamappingneighborhood

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2026plastic pollutionearth2025girl scoutswaste managementocean pollutionecology & environmentcsm-featurednature & outdoorsappdebrismarine debristrackerlittercsm2025top viewed 2021marine

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