top viewed 2021

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Sep 24, 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 MarineFoodAgriculturesummerantnutritiongirl scoutscookiesantsfuntop viewed 2021nutrientsoutsidewinterrob dunnsummer reading 2021north carolinainsectsrob dunn labant picnicpicnicdata literacytop 22 in 2022your wild lifetop2022scientific methodspringdunn labdietfallwildlife

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarsnasa-sciactplanetsnasa-supportedtop viewed 2021_nasanasaplanet ninewisebrown dwarfssolar 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 & Outdoorscicadaperiodical cicadasinsectstop viewed 2021insectcicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop viewed 2021healthwatertop2022top 22 in 2022pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsseastorieswhale watchingsea animalorcasoceansstorytellingmammalsunderwaterwhale watchstoryhumpbackstrackinggpsmapfin whalerescuewhale trackingfinwhale migrationconservationphotographycetaceanmarine mammaltrackmappingoceanmarine mammalogywildlifeidentificationorcadolphintop viewed 2021sea mammalnature & outdoorsphoto identificationwhalekiller whaleocean-dwellingmigrationecology & environmentnon-invasivephotowhalesminkeanimalmammalwhale biologystrandingminke whalephoto idhumpbackcitizen scienceresearch

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacepolicytop 22 in 2022csm-featuredlight pollutiontop2022nalibrarygirl scoutsstarpollutiontop viewed 2021csm2026astronomy_mos

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherNature & OutdoorsOcean Water MarineGeology & Earth ScienceAstronomy & SpaceEcology & Environmenttop2022the globe programnasa-sciactnasa gometeorologynasa-supportedatmospherecsm2026earth2025cloudsdustnasagirl scoutsglobecsm-featuredtop viewed 2021_nasaclimatedust stormsapptop 22 in 2022csm2025data collectionweather

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinedisneynaturalistlibraryecologysummer reading 2021natureiphonetop viewed 2021biodiversityappgardenec2020girl scouts_mosinsect populationscsm-featuredtop 22 in 2022androidtop2022csm2026museum

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop viewed 2021beachesurban heat islandmappingmiamitreesphotographytop 22 in 2022climate educationsatellitessciencenasafloodnew yorkcsm2025heatcarboncoastal changeremote sensingtrees urban street forest mapclimatecitizen journalismdroughtcitizen science waterurban heatneighborhoodjulia kumari drapkinclimate sciencesea level risesensorstop2022nprsnowweathermarine environmentlos angelesfunmountainscommunitywnycyale climate connectionsradiocrowdsourcingjournalismcitybackyardcommunity engagementearth sciencenasa orbiting carbon observatorynew orleansjet propulsion laboratorypublic mediaearthgirl scoutsbirdsclimate changeraincsm-featuredresiliencestoriescitizen scienceearth2025

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 2021ecology & environmentwaste managementnature & outdoorsmarine debrisocean pollutionlittertrackerdata collectionplastic pollutioncsm2026earth2025appdebriscsm2025girl scoutsmarinecsm-featured

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