top viewed 2021

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Mar 25, 2026

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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 & Outdoorsnutritionrob dunn labsummer reading 2021wildlifenutrientsnorth carolinafallantsrob dunnsummerant picnicspringtop 22 in 2022picnicantcookiesyour wild lifefundunn labgirl scoutsdietoutsidewintertop2022top viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanetsnasa-supportednasa-sciactplanet ninenasastarstop viewed 2021_nasasolar systembrown 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 cicadasinsectcicadasinsectstop viewed 2021cicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021top 22 in 2022pipeshealthtop2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmappingtrackingwhalessea mammalmigrationstoriesdolphinwhale biologymammalstrandingorcahumpbacksmarine mammalogyfin whaleunderwatermapocean-dwellingtrackanimalphotographywhale watchingminke whaleidentificationphoto identificationnature & outdoorsresearchseasea animalwhale trackingstoryoceanphoto idtop viewed 2021conservationgpsminkeorcasrescuephotocetaceanoceanswhalehumpbackmammalsecology & environmentwhale watchmarine mammalwildlifefinnon-invasivecitizen sciencekiller whalewhale migrationstorytelling

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentcsm2026nacsm-featuredlibrarytop2022light pollutiontop 22 in 2022girl scoutstop viewed 2021star

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spaceappnasadust stormsgirl scoutstop viewed 2021top2022csm2026dust_nasaearth2025atmosphereglobethe globe programnasa-supportedweathernasa gocloudscsm2025nasa-sciactclimatecsm-featuredtop 22 in 2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentlibrarynaturenaturalisttop viewed 2021appbiodiversitycsm2026androidinsect populationsec2020gardencsm-featuredmuseumtop 22 in 2022top2022iphonegirl scoutssummer reading 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentphotographystoriesradiocityweatherclimate sciencetrees urban street forest mapmappingscienceheatjulia kumari drapkinsea level riseclimate educationrainmountainspublic mediacsm-featuredremote sensingnasaurban heat islandtop viewed 2021beachestop 22 in 2022crowdsourcingsensorssatellitestop2022earth2025birdscommunityurban heatnew yorkwnycclimateearth sciencecsm2025resiliencecitizen science waterjet propulsion laboratorynew orleansneighborhoodfloodjournalismnasa orbiting carbon observatorydroughtcommunity engagementmarine environmentyale climate connectionscarboncitizen sciencecoastal changetreeslos angelesnprbackyardearthgirl scoutscitizen journalismfunmiamisnowclimate change

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2026earth2025plastic pollutionlittermarinecsm-featuredtop viewed 2021ecology & environmentnature & outdoorsmarine debrisocean pollutionappcsm2025girl scoutstrackerdebriswaste management

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