top viewed 2021

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Jul 27, 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 & Outdoorsnorth carolinapicnicwinterspringdietcookiessummeryour wild liferob dunn labtop viewed 2021antgirl scoutstop 22 in 2022rob dunnwildlifedunn laboutsidetop2022fallsummer reading 2021nutritionfunnutrientsant picnicants

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacetop viewed 2021starsnasasolar systemwisenasa-sciactplanet ninenasa-supported_nasabrown dwarfsplanets

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 cicadascicadasinsecttop viewed 2021insectscicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop2022top viewed 2021healthwatertop 22 in 2022pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsnature & outdoorsdolphingpswhalesminke whaleorcastrandingstorytellingocean-dwellingwhale biologycetaceanmigrationseawhale migrationorcaskiller whaleunderwaterwhale watchwhale trackingphotographyconservationfinoceanmarine mammalogymappingwhale watchingecology & environmentphoto idtrackingtrackmammalmammalsnon-invasivehumpbacksstorymapwhalecitizen sciencerescuesea mammalsea animalminkefin whalephotooceansmarine mammalwildlifephoto identificationhumpbackresearchanimalidentificationtop viewed 2021stories

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022stargirl scoutsnatop viewed 2021light pollutioncsm2026top2022_moslibrarycsm-featured

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 & Weathertop 22 in 2022globecsm-featuredclimateappnasa-supported_nasacsm2025girl scoutsdust stormsthe globe programatmospherenasa gotop2022nasacloudsdustweathercsm2026nasa-sciacttop viewed 2021earth2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentbiodiversitynaturalistiphonegirl scoutsnaturegardenec2020museuminsect populationstop2022appcsm-featuredcsm2026top viewed 2021disneyandroidtop 22 in 2022summer reading 2021library_mos

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentgirl scoutsfunurban heat islandcitycsm2025yale climate connectionsearth sciencenprmiamicrowdsourcingflooddroughtearth2025neighborhoodcommunitycitizen science waterurban heatcitizen journalismclimate educationnasa orbiting carbon observatoryradiosea level riseclimatejet propulsion laboratorytop viewed 2021sciencetreesmountainscsm-featuredmappingnasalos angelestop2022journalismbackyardbeachesnew yorkcitizen sciencetop 22 in 2022carbonwnycclimate scienceweatherresiliencetrees urban street forest mapcommunity engagementremote sensingbirdsjulia kumari drapkinearthpublic mediarainphotographyclimate changemarine environmentsensorsnew orleansstoriessnowheatcoastal changesatellites

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationnature & outdoorscsm2025waste managementmarine debrisplastic pollutiontrackermarineocean pollutiontop viewed 2021girl scoutslitterecology & environmentappcsm-featuredcsm2026earth2025debris

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