top viewed 2021

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Jan 26, 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 MarineFoodAgriculturefunnorth carolinatop2022wintertop viewed 2021dunn labyour wild lifespringgirl scoutsant picnicsummer reading 2021cookiestop 22 in 2022picnicnutritionrob dunnfallsummerwildlifeantsantoutsiderob dunn labnutrientsdiet

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar system_nasatop viewed 2021planetsplanet ninebrown dwarfsstarsnasa-sciactnasawisenasa-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 & Outdoorscicadasinsectscicadaperiodical cicadasinsecttop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop 22 in 2022watertop viewed 2021healthtop2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorssea animalmappingwildlifeidentificationhumpbackswhale trackinganimaldolphinconservationwhale migrationmapfin whalemammalshumpbackwhaleorcaorcasoceanswhale watchingphoto idnon-invasivewhalesoceantrackgpscitizen sciencewhale watchrescuecetaceanfinphoto identificationkiller whalephotomigrationmarine mammalstorystoriesnature & outdoorsstrandingresearchunderwaterocean-dwellingstorytellingmammalphotographymarine mammalogyseaminke whaleecology & environmentwhale biologytop viewed 2021sea mammalminketracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop viewed 2021light pollutionnatop2022girl scoutstop 22 in 2022csm-featuredlibrarystar

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marinedust stormscsm2025girl scoutsnasa-sciactdusttop2022csm-featuredearth2025_nasanasa-supportednasa gothe globe programweathertop viewed 2021nasacloudsappatmospheretop 22 in 2022globeclimate

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinenaturetop viewed 2021applibrarytop2022ec2020gardeniphonetop 22 in 2022girl scoutsmuseumbiodiversityandroidnaturalistsummer reading 2021insect populationscsm-featured

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsensorsmiamiearth2025marine environmentjulia kumari drapkinjet propulsion laboratorybeachescoastal changecsm-featuredtreesnasa orbiting carbon observatoryclimate changewnycneighborhoodrainmountainsearthcitizen journalismbirdsstoriesnprdroughtclimatecsm2025climate sciencenasatop viewed 2021journalismurban heatheattop2022girl scoutstrees urban street forest mapnew orleanssciencecitizen science watercitizen sciencefloodsea level risesnowurban heat islandcitycarboncrowdsourcingremote sensingclimate educationlos angelesfunradioyale climate connectionstop 22 in 2022community engagementresiliencesatellitesnew yorkphotographyweatherbackyardpublic mediacommunitymappingearth science

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationocean pollutiontrackermarine debrislitterecology & environmentmarineplastic pollutionwaste managementearth2025debrisnature & outdoorsappgirl scoutscsm2025csm-featuredtop viewed 2021

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