top viewed 2021

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Feb 5, 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 & Outdoorssummer reading 2021rob dunncookieswildlifenorth carolinapicnicoutsideant picnictop viewed 2021funnutritiontop2022antsantsummerdunn labspringyour wild lifefallwintertop 22 in 2022rob dunn labnutrientsdietgirl scouts

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninesolar systemtop viewed 2021brown dwarfsnasa-supported_nasastarsplanetswisenasanasa-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 & Outdoorsperiodical cicadasinsectstop viewed 2021cicadainsectcicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022healthtop viewed 2021pipestop2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfin whalerescuemammalminke whalestorymappingwildlifewhale migrationtop viewed 2021animalwhale watchphotographyfintrackingphoto idhumpbackswhale biologycetaceannon-invasiveidentificationmarine mammalstoriesstrandingdolphinoceanssea animalcitizen sciencetrackminkekiller whaleconservationwhale trackingphoto identificationnature & outdoorssea mammalmarine mammalogyseaphotoocean-dwellingwhale watchingecology & environmentorcasmammalsunderwateroceanwhalemigrationmaphumpbackstorytellingwhalesgpsresearchorca

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacestartop2022girl scoutstop 22 in 2022csm-featuredtop viewed 2021nalight pollutionlibrary

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencecloudsnasa-supportednasa gonasaglobe_nasacsm2025atmosphereclimatethe globe programappcsm-featurednasa-sciacttop viewed 2021top2022earth2025dustweathergirl scoutsdust stormstop 22 in 2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop viewed 2021girl scoutsec2020iphonecsm-featuredgardenandroidmuseumbiodiversitysummer reading 2021librarynatureinsect populationstop 22 in 2022top2022naturalistapp

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentjournalismcarbonmiamiclimate scienceclimaterainurban heatbackyardurban heat islandnew orleansearth scienceneighborhoodcoastal changecsm2025mountainsclimate educationclimate changeremote sensingnasa orbiting carbon observatorymarine environmentfloodresiliencemappingearthpublic mediatop2022citizen scienceearth2025trees urban street forest mapcsm-featuredcommunity engagementtop viewed 2021weathersensorsfuntreesphotographysea level risewnycbirdsjet propulsion laboratorytop 22 in 2022beachesheatjulia kumari drapkincommunitynprstoriescitizen journalismradiocitizen science watergirl scoutssnowsatellitesyale climate connectionsnew yorkcitynasalos angelessciencedroughtcrowdsourcing

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationmarine debrisecology & environmentmarinewaste managementappdebrisocean pollutiontop viewed 2021girl scoutsnature & outdoorslittercsm2025earth2025csm-featuredplastic pollutiontracker

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