top viewed 2021

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Sep 18, 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 MarineFoodAgriculturedata literacyfunwinterinsectsnutrientsdunn labfalloutsidespringtop2022picniccookiesant picnicdietnorth carolinarob dunn labwildlifegirl scoutsantsnutritionantyour wild lifetop 22 in 2022summersummer reading 2021scientific methodrob dunntop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacewiseplanetssolar system_nasastarsnasa-sciactnasaplanet ninebrown dwarfstop viewed 2021nasa-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 & Outdoorsperiodical cicadasinsectscicadacicadastop viewed 2021insect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencewaterhealthtop viewed 2021pipestop 22 in 2022top2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsconservationfin whalewhale watchhumpbacksphotographymigrationcitizen scienceresearchwhale trackinganimalmammalmappingwhale migrationmammalsunderwaterstorytellingminke whaletracktrackingmarine mammalmarine mammalogydolphinfinphoto idhumpbackorcasea mammalwhale biologyminkeorcascetaceanwhaleidentificationseawildlifetop viewed 2021sea animalstorystrandingocean-dwellingstoriesnature & outdoorsoceanecology & environmentkiller whalephotophoto identificationoceanswhale watchinggpsmapnon-invasivewhalesrescue

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Space_moscsm-featuredtop 22 in 2022librarytop viewed 2021top2022astronomylight pollutionpollutionstarpolicygirl scoutscsm2026na

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 & Environmenttop2022top 22 in 2022climatenasa-sciactcloudsdustnasacsm2026dust stormsgirl scoutsappnasa-supportedatmosphereweather_nasaglobetop viewed 2021csm-featurednasa gometeorologydata collectionearth2025the globe programcsm2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinesummer reading 2021applibrarytop viewed 2021insect populations_mosnaturalisttop 22 in 2022csm-featuredcsm2026androidbiodiversityecologytop2022disneymuseumnatureiphoneec2020girl scoutsgarden

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentweathergirl scoutsrainmappingcityyale climate connectionsnew orleansbackyardcommunity engagementclimate educationnasamountainsjulia kumari drapkinfloodsatellitessnowtop2022sciencebeachesresiliencecsm2025birdsnasa orbiting carbon observatoryclimate changeearthremote sensingcsm-featuredjet propulsion laboratorycitizen journalismcarbonnew yorkcommunitypublic mediaradiocitizen science waternprtrees urban street forest mapcoastal changeurban heat islandcrowdsourcingsensorstreeslos angeleswnycsea level risetop 22 in 2022journalismheatneighborhoodearth scienceearth2025climate sciencestoriesdroughttop viewed 2021marine environmentclimatecitizen sciencemiamifunphotographyurban heat

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationappwaste managementcsm2026girl scoutsecology & environmenttrackerdebriscsm-featuredplastic pollutionocean pollutionnature & outdoorscsm2025data collectionearth2025top viewed 2021littermarinemarine debris

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