top viewed 2021

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Jan 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 MarineFoodAgriculturedunn labdietcookiestop 22 in 2022wintertop viewed 2021rob dunn labantspicnicrob dunnfallsummeroutsidenutritionsummer reading 2021ant picnictop2022north carolinanutrientswildlifefunyour wild lifespringantgirl scouts

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasa-supportedsolar systemnasa-sciactstarsnasabrown dwarfsplanetstop viewed 2021planet ninewise_nasa

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 & Outdoorsinsectscicadainsecttop viewed 2021periodical cicadascicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewaterpipeshealthtop2022top viewed 2021top 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsgpswhale trackingwhale migrationfinnature & outdoorstop viewed 2021killer whalemarine mammalogyphoto idunderwaterstorytellingoceanmapminkephotographyidentificationphoto identificationorcaanimalsea mammaldolphinseatracksea animalstoriesstrandingmigrationnon-invasivephotomarine mammalhumpbacksresearchrescuemappingocean-dwellingorcasmammalwhale watchwildlifecetaceanconservationoceansminke whaleecology & environmenttrackingwhale watchingcitizen sciencewhalewhalesmammalswhale biologystoryhumpbackfin whale

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacelight pollutiontop2022top 22 in 2022starlibrarygirl scoutscsm-featuredtop viewed 2021na

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 Marinetop 22 in 2022atmospheretop viewed 2021cloudsappthe globe programnasa-sciactglobedust stormsnasa gocsm2025nasa-supportednasagirl scoutsearth2025weathertop2022climatedust_nasacsm-featured

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marineapptop viewed 2021gardenec2020iphonetop 22 in 2022androidinsect populationscsm-featuredbiodiversitynaturalistlibrarygirl scoutsmuseumsummer reading 2021top2022nature

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsensorsnprdroughtpublic mediaearth scienceheatmountainsfuntrees urban street forest mapbackyardmappingurban heatcrowdsourcingjournalismtop2022community engagementclimatecitizen science watersnownasa orbiting carbon observatoryfloodnew yorkclimate changemarine environmentbirdswnycbeachescitizen sciencestoriessatellitesurban heat islandcitizen journalismclimate scienceclimate educationyale climate connectionscoastal changenasaresiliencerainremote sensingphotographysciencecsm-featuredweatherearthcsm2025cityjet propulsion laboratorymiamitreesradiocommunityjulia kumari drapkingirl scoutsnew orleanstop viewed 2021carbonlos angelesneighborhoodtop 22 in 2022sea level riseearth2025

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationplastic pollutioncsm2025waste managementecology & environmentcsm-featuredlittermarine debrisearth2025debrismarinenature & outdoorstrackergirl scoutstop viewed 2021appocean pollution

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