top viewed 2021

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May 16, 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 MarineFoodAgriculturepicnictop2022top viewed 2021wildlifedunn labnorth carolinanutrientsfungirl scoutsspringrob dunnwinterdietnutritioncookiessummeroutsideantsyour wild lifeanttop 22 in 2022ant picnicsummer reading 2021rob dunn labfall

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfsnasasolar systemtop viewed 2021planets_nasawiseplanet ninenasa-supportednasa-sciactstars

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 & Outdoorstop viewed 2021cicadasperiodical cicadascicadainsectsinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022top 22 in 2022healthwaterpipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfinstrandingmammalsphotoresearchtrackingnature & outdoorsmigrationstorytellingcitizen sciencemarine mammalidentificationseaocean-dwellingtrackhumpbackoceanssea mammalminke whaleecology & environmentwhale trackingsea animalwhale watchwhalesunderwateranimalmammalwildlifenon-invasivephoto identificationstoriesmarine mammalogydolphinrescuetop viewed 2021conservationoceanwhalestoryminkephoto idhumpbackswhale biologymaporcasgpswhale migrationkiller whaleorcafin whalemappingphotographycetaceanwhale watching

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022_moscsm2026top 22 in 2022light pollutiongirl scoutscsm-featuredtop viewed 2021starlibraryna

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAstronomy & SpaceGeology & Earth ScienceOcean Water MarineNature & OutdoorsClimate & Weatherweathercsm2026nasa goclimatecloudsgirl scouts_nasaearth2025csm2025globenasa-supportedatmospheredustnasa-sciacttop viewed 2021appdust stormstop2022csm-featurednasatop 22 in 2022the globe program

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinecsm-featuredandroidiphonetop viewed 2021top2022top 22 in 2022csm2026museumnaturebiodiversitysummer reading 2021girl scoutsapp_mosgardennaturalistec2020insect populationslibrary

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentnew yorkclimate scienceearth2025scienceheatcsm-featuredtrees urban street forest mapearthjulia kumari drapkintreesearth sciencewnycsnowsensorscommunityclimate changetop2022backyardnprtop 22 in 2022citizen science waterbeachesgirl scoutsmappingclimateurban heat islandurban heatmountainsweathercitytop viewed 2021rainjet propulsion laboratoryphotographynew orleanscarbonsatellitesfloodneighborhoodremote sensingcoastal changelos angelesmarine environmentresiliencepublic mediamiaminasacommunity engagementcitizen journalismnasa orbiting carbon observatoryradiostoriesdroughtjournalismclimate educationfunyale climate connectionssea level risecsm2025citizen sciencecrowdsourcingbirds

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationdebrisocean pollutioncsm2026marinegirl scoutswaste managementlittermarine debriscsm2025top viewed 2021trackernature & outdoorsecology & environmentplastic pollutionappearth2025csm-featured

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