top viewed 2021

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Dec 19, 2025

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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 & Outdoorsnutritionantrob dunn labantswildlifetop viewed 2021your wild lifenutrientsgirl scoutsdunn labcookiespicnicfallsummer reading 2021outsidetop 22 in 2022springfunant picnicsummertop2022winterdietrob dunnnorth carolina

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacetop viewed 2021planetsnasa-sciactsolar systemplanet ninestarsnasa-supportedwisenasa_nasabrown dwarfs

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 & Outdoorsinsectcicadacicadasinsectstop viewed 2021periodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022watertop viewed 2021pipeshealthtop 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsminkecitizen sciencetrackinganimaloceanphotographycetaceanfinidentificationphoto identificationresearchwhale trackingsea mammalstrandingseaocean-dwellingmammalsdolphinminke whalestorygpswildlifenature & outdoorswhale watchingconservationtrackwhalewhale watchmarine mammalfin whaleunderwaterwhale migrationstoriesorcaskiller whalemigrationtop viewed 2021oceansmapphoto idhumpbacksrescuemammalorcamappingmarine mammalogystorytellingwhale biologyecology & environmentnon-invasivehumpbacksea animalphotowhales

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022librarynatop 22 in 2022csm-featuredtop viewed 2021stargirl scoutslight pollution

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marinecsm2025the globe programnasagirl scoutstop2022csm-featuredtop 22 in 2022nasa-sciact_nasaatmospherecloudsglobeclimatedustweathernasa gotop viewed 2021nasa-supportedearth2025dust stormsapp

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentgirl scoutsappec2020top 22 in 2022top viewed 2021gardenlibraryiphoneinsect populationssummer reading 2021androidnaturebiodiversitycsm-featuredmuseumnaturalisttop2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentearth sciencesensorsurban heatstoriesurban heat islandmappingcitizen journalismresiliencesea level riseweathernew orleanspublic mediacommunity engagementwnycfloodjournalismbirdsradiocoastal changenasabeachestop 22 in 2022climate changecsm-featuredneighborhoodclimate sciencecitizen science watercsm2025communityearthdroughtmountainstop2022top viewed 2021girl scoutsnew yorkrainyale climate connectionstrees urban street forest mapnprremote sensingtreesearth2025marine environmentheatlos angelessatellitesclimatesciencecitizen sciencebackyardsnowjet propulsion laboratorycityphotographycrowdsourcingcarbonnasa orbiting carbon observatoryfunmiamijulia kumari drapkinclimate education

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationmarine debrisearth2025marinewaste managementtop viewed 2021csm2025debriscsm-featuredocean pollutionlitterplastic pollutionecology & environmentappnature & outdoorstrackergirl scouts

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