top viewed 2021

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Aug 18, 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 & Outdoorsdunn labspringantssummeroutsiderob dunnant picnicgirl scoutsrob dunn labfunnutritionyour wild lifetop viewed 2021north carolinanutrientstop 22 in 2022picnictop2022summer reading 2021antwildlifewinterfalldietcookies

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarsnasa-supportedplanet ninenasa-sciacttop viewed 2021nasa_nasasolar systembrown dwarfsplanetswise

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 & Outdoorscicadascicadainsectstop viewed 2021periodical cicadasinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop2022top viewed 2021healthwaterpipestop 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsphotomammalwhalesresearchanimalsea animalrescueseamapwhale biologyfinconservationstorytellingmigrationtrackinghumpbacktrackwhale watchingecology & environmentoceanmarine mammalstorysea mammalocean-dwellinggpscitizen scienceminkeidentificationwhale watchnon-invasiveminke whalestoriesnature & outdoorstop viewed 2021mammalsstrandingkiller whalephoto idoceanshumpbacksorcawildlifewhale migrationphotographyphoto identificationorcaswhalemarine mammalogyfin whaleunderwaterdolphinmappingwhale trackingcetacean

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutstop viewed 2021light pollutionnastarcsm2026_moslibrarytop2022top 22 in 2022csm-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 & Weathercsm2026weathernasanasa-sciactdust stormsgirl scoutsthe globe programcloudstop2022top 22 in 2022nasa-supportedglobeatmospherecsm-featuredcsm2025apptop viewed 2021nasa goearth2025dust_nasaclimate

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentinsect populationstop viewed 2021csm-featuredmuseumandroiddisney_moslibraryiphonenaturalistgardentop 22 in 2022biodiversityappnaturegirl scoutscsm2026summer reading 2021top2022ec2020

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentclimatemappingbackyardgirl scoutsnasa orbiting carbon observatorytreescityneighborhoodmarine environmentsensorsfuntop 22 in 2022raincoastal changeearth2025droughtclimate sciencenasaearth scienceclimate educationremote sensingurban heat islandjet propulsion laboratorycrowdsourcingyale climate connectionscommunity engagementwnyccsm2025csm-featuredmiamijournalismclimate changefloodjulia kumari drapkinnew orleansmountainsbirdsweathercitizen sciencetop viewed 2021public mediatop2022sciencecommunitybeachescitizen science waterresiliencesatellitesphotographynprurban heatheatearthstoriessnowcarbonradiotrees urban street forest mapsea level riselos angelescitizen journalismnew york

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 pollutionmarinecsm-featuredgirl scoutslitterwaste managementtrackercsm2025marine debristop viewed 2021plastic pollutionearth2025debrisnature & outdoorsappcsm2026ecology & environment

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