top viewed 2021

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Feb 1, 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 MarineFoodAgriculturediettop viewed 2021antfalldunn labtop2022summer reading 2021ant picniccookiesyour wild lifewinterrob dunn labantsoutsidenorth carolinafunsummerrob dunnwildlifetop 22 in 2022girl scoutsnutrientsspringpicnicnutrition

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarsnasa-sciactnasatop viewed 2021_nasanasa-supportedwisesolar systemplanetsbrown dwarfsplanet nine

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 & Outdoorsinsectcicadaperiodical cicadascicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthwatertop2022top viewed 2021pipestop 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmarine mammalogyphoto idwhale watchstrandingseawhale trackingoceanswhale biologytrackingnature & outdoorsstorytellingminke whalewildlifeorcawhaletrackfin whaleresearchmapmammalstop viewed 2021mammalfincitizen scienceidentificationorcasmigrationphotokiller whalehumpbackstorymappingmarine mammalocean-dwellingsea animalsea mammalwhale watchingwhalesgpswhale migrationphotographystorieshumpbacksminkeoceanconservationdolphinphoto identificationecology & environmentcetaceanunderwaternon-invasiverescueanimal

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentlight pollutiongirl scoutsnacsm-featuredtop viewed 2021top 22 in 2022top2022starlibrary

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 Science_nasatop 22 in 2022nasaatmospherenasa goappdust stormsnasa-sciacttop viewed 2021dustcsm2025cloudsthe globe programtop2022nasa-supportedgirl scoutscsm-featuredglobeweatherearth2025climate

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinesummer reading 2021naturalistmuseumec2020androidappgardentop 22 in 2022insect populationscsm-featuredlibrarytop viewed 2021iphonegirl scoutsbiodiversitynaturetop2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsea level riseheatcarboncoastal changetop 22 in 2022earth2025nprnasacsm2025raincitizen journalismearthphotographyresilienceclimateradiolos angelestop2022earth sciencedroughtcitynew orleanswnycclimate changetrees urban street forest mapstoriestop viewed 2021miamicitizen sciencegirl scoutsbeachessatellitescrowdsourcingnew yorkyale climate connectionsurban heat islandbackyardmountainscommunitycsm-featuredfloodfunsnowneighborhoodmappingpublic mediaclimate educationjournalismsensorssciencemarine environmenturban heattreesjet propulsion laboratoryclimate scienceremote sensingcommunity engagementnasa orbiting carbon observatoryjulia kumari drapkincitizen science waterbirdsweather

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationmarine debrislitterwaste managementnature & outdoorsdebrisplastic pollutiongirl scoutsmarinecsm2025top viewed 2021earth2025appocean pollutioncsm-featuredecology & environmenttracker

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