top viewed 2021

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Feb 14, 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 dunnpicnicnutrientsnorth carolinaoutsidewildlifespringyour wild liferob dunn labdiettop 22 in 2022summertop viewed 2021funwintersummer reading 2021fallgirl scoutsdunn labcookiesant picnicanttop2022ants

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninestarssolar systemtop viewed 2021nasa-sciact_nasanasawiseplanetsbrown dwarfsnasa-supported

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 & Outdoorscicadasinsectinsectscicadaperiodical cicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop viewed 2021top2022pipestop 22 in 2022health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsecology & environmentsea animaloceannon-invasivewhale biologyphotographyidentificationnature & outdoorsoceansphoto identificationstrandingfin whalerescuehumpbackcetaceandolphinphoto idunderwaterwhale migrationhumpbacksfinminkegpssea mammalocean-dwellingmapcitizen sciencemigrationanimalstoriesstorytellingwhaleskiller whaleorcaphotowhaletrackingtop viewed 2021storytrackwhale watchmammalwhale watchingmarine mammalogyseaorcasconservationresearchwhale trackingmappingmarine mammalminke whalewildlifemammals

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022startop viewed 2021light pollutiontop2022nagirl scoutslibrarycsm-featured

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencedust storms_nasanasa-sciacttop viewed 2021top 22 in 2022csm2025earth2025dustgirl scoutsglobetop2022the globe programcloudsclimateappnasa gocsm-featuredatmosphereweathernasa-supportednasa

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop 22 in 2022natureappbiodiversitytop2022libraryiphonegirl scoutssummer reading 2021csm-featurednaturalisttop viewed 2021androidgardeninsect populationsec2020museum

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentfuncrowdsourcingjournalismjulia kumari drapkincitizen journalismcitizen science waterclimateremote sensingnew orleansmiamiwnyccarbontrees urban street forest mapsensorsyale climate connectionscommunitybeachesnprsnowresilienceurban heat islanddroughtcityheatearth2025climate changemarine environmentcommunity engagementfloodweathernasamappingnasa orbiting carbon observatoryphotographyclimate educationraintop viewed 2021girl scoutsbirdsjet propulsion laboratorycsm-featuredpublic mediacoastal changeradiotop2022satelliteslos angelesearth scienceclimate sciencemountainsbackyardurban heattop 22 in 2022csm2025storiesneighborhoodsea level riseearthnew yorkcitizen sciencetreesscience

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationecology & environmentnature & outdoorscsm2025litterearth2025waste managementcsm-featuredappdebristop viewed 2021plastic pollutionmarine debristrackergirl scoutsocean pollutionmarine

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