top viewed 2021

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Dec 5, 2025

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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 & Outdoorsspringgirl scoutsdunn labfallant picnicdiettop2022nutrientspicnicantnutritionwildlifeantsrob dunnsummer reading 2021your wild lifecookieswintersummertop 22 in 2022top viewed 2021outsidefunrob dunn labnorth carolina

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar system_nasastarsnasa-sciactwisenasabrown dwarfsplanet ninetop viewed 2021planetsnasa-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 & Outdoorsinsectstop viewed 2021periodical cicadasinsectcicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021waterpipestop2022top 22 in 2022health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmammalnon-invasivesea animalcetaceananimalidentificationhumpbackwildlifestoriesminke whalephoto idfin whalephotographywhaleskiller whalemammalsocean-dwellingwhalewhale watchcitizen scienceorcaresearchoceansoceanrescuephoto identificationwhale watchingorcasstoryminkewhale trackingstrandingmarine mammalstorytellingmappingdolphinwhale migrationseatop viewed 2021gpsconservationfinphotomapunderwaternature & outdoorsmigrationmarine mammalogysea mammalwhale biologytrackingecology & environmenttrackhumpbacks

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentgirl scoutsstarlight pollutionnatop viewed 2021top2022top 22 in 2022csm-featuredlibrary

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 Marinenasa-supportedthe globe programclimatedustcsm-featured_nasatop viewed 2021apptop 22 in 2022nasa gocsm2025earth2025girl scoutstop2022cloudsweathernasaglobenasa-sciactatmospheredust storms

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentiphonegardennaturalistandroidinsect populationssummer reading 2021csm-featuredec2020top viewed 2021biodiversitytop2022top 22 in 2022girl scoutsmuseumappnaturelibrary

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbackyardtop viewed 2021satellitestop2022nprmappingclimate sciencejulia kumari drapkintop 22 in 2022nasa orbiting carbon observatorysnowjournalismremote sensingcoastal changemarine environmentstoriesgirl scoutstrees urban street forest mapheatradiophotographyearth scienceneighborhoodcitizen sciencecrowdsourcingsensorsclimate educationmiamilos angelescsm-featuredyale climate connectionspublic mediacitizen journalismcommunity engagementcityclimatenew yorkscienceurban heatearth2025earthnew orleansresiliencerainsea level risetreesbeachesfunclimate changeweathercitizen science waterbirdscommunitywnycurban heat islandfloodjet propulsion laboratorymountainscarbondroughtnasacsm2025

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationapplitterecology & environmentearth2025girl scoutsmarinecsm-featuredtop viewed 2021marine debriscsm2025waste managementplastic pollutionnature & outdoorsdebrisocean pollutiontracker

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