top viewed 2021

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Jul 24, 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 & Outdoorsantsspringnorth carolinatop2022picnicgirl scoutsnutritionantyour wild lifedunn labwildlifetop viewed 2021summer reading 2021top 22 in 2022fallcookieswinternutrientsrob dunn labrob dunnfundietant picnicsummeroutside

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasasolar systemplanet nineplanetsnasa-supportednasastarsbrown dwarfstop viewed 2021wisenasa-sciact

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 & Outdoorscicadasinsectscicadainsecttop viewed 2021periodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencehealthtop 22 in 2022top viewed 2021top2022pipeswater

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmappingstoryfinmammalmarine mammalidentificationorcaresearchwhalefin whalecetaceantrackrescueoceankiller whalewhale watchingphotographysea animalstrandingmarine mammalogywhale watchdolphinphoto idwhale biologynature & outdoorsseawildlifeanimalphotonon-invasiveminke whalesea mammalgpswhale migrationstoriesocean-dwellingwhalesmigrationminkemammalsphoto identificationmapstorytellingecology & environmentcitizen sciencehumpbackstop viewed 2021underwaterhumpbackconservationwhale trackingtrackingorcasoceans

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacestargirl scoutslight pollutiontop viewed 2021librarytop 22 in 2022csm-featurednatop2022_moscsm2026

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherOcean Water MarineNature & OutdoorsGeology & Earth ScienceAstronomy & SpaceEcology & Environmentnasa-sciacttop viewed 2021dustnasa-supporteddust stormsearth2025top2022csm2026atmospherenasa goweathercsm-featurednasathe globe programglobeclimateapptop 22 in 2022clouds_nasacsm2025girl scouts

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinebiodiversitymuseumiphonetop2022top 22 in 2022ec2020csm-featuredcsm2026androidlibrarytop viewed 2021appnaturegardengirl scoutsnaturalist_mosdisneysummer reading 2021insect populations

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcoastal changeclimate changecitizen science waterradiocitizen sciencescienceweathersensorsstoriescitizen journalismclimate educationurban heatearth sciencejournalismtop 22 in 2022photographymappingsatellitesdroughtfloodjulia kumari drapkinnprtrees urban street forest mapgirl scoutsbirdsremote sensingclimatenasa orbiting carbon observatorymiamitreesnasacommunity engagementearth2025backyardcrowdsourcingsnowheatsea level risetop viewed 2021communitymountainsnew orleansnew yorkearthraincarbonfunclimate sciencejet propulsion laboratoryurban heat islandpublic mediaresiliencemarine environmentneighborhoodyale climate connectionswnyclos angelescsm-featuredcitycsm2025top2022beaches

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationocean pollutioncsm-featuredwaste managementecology & environmentcsm2026marine debrismarinegirl scoutsappdebrisplastic pollutiontop viewed 2021littercsm2025trackerearth2025nature & outdoors

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