top viewed 2021

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Dec 4, 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 & Outdoorsnutrientsnutritiontop 22 in 2022springgirl scoutsdunn labtop2022ant picnicrob dunn labsummerrob dunnfunwildlifenorth carolinayour wild lifeantsfalloutsidetop viewed 2021picnicwinterantsummer reading 2021cookiesdiet

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Space_nasastarsplanetswisenasabrown dwarfsnasa-sciactsolar systemplanet ninenasa-supportedtop viewed 2021

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 & Outdoorscicadasinsectstop viewed 2021cicadainsectperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021top 22 in 2022pipeswatertop2022health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfinseastorywildlifefin whalemigrationmappingsea animalwhalesnature & outdoorswhale trackingtop viewed 2021mammalminkewhale watchtrackingkiller whalewhale watchingstorytellinghumpbacksunderwateroceansorcaorcasecology & environmentsea mammaltrackphoto idconservationrescuewhale biologywhale migrationcitizen scienceocean-dwellingminke whalewhalemapmarine mammalcetaceanstrandingoceannon-invasiveresearchphotographyphoto identificationgpsphotohumpbackmammalsanimalstoriesidentificationmarine mammalogydolphin

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentgirl scoutscsm-featurednatop 22 in 2022top2022librarytop viewed 2021starlight pollution

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 Marinedustcsm2025nasa-supportedearth2025top 22 in 2022dust stormstop2022weather_nasanasagirl scoutsnasa goapptop viewed 2021nasa-sciactcsm-featuredatmosphereglobethe globe programcloudsclimate

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop2022girl scoutsinsect populationscsm-featuredbiodiversitysummer reading 2021top 22 in 2022appgardennaturalistmuseumandroidnatureiphoneec2020top viewed 2021library

ISeeChange

We’re making a record of climate change impacts.

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Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentresilienceneighborhoodcoastal changeurban heatphotographyearth sciencesensorsbackyardnasa orbiting carbon observatorycitysatellitesmarine environmentweatherrainsciencecitizen science watercommunity engagementclimate sciencedroughtclimateheatnew orleansyale climate connectionscitizen journalismlos angelesjulia kumari drapkincsm-featuredurban heat islandnew yorkclimate changecommunityfloodmiamiwnycearth2025journalismremote sensingnasaradiotreespublic medianprfungirl scoutstrees urban street forest mapmountainstop 22 in 2022csm2025top viewed 2021storiesclimate educationjet propulsion laboratorycarbonmappingbirdscrowdsourcingsea level risetop2022citizen scienceearthsnowbeaches

Marine Debris Tracker

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

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Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationplastic pollutioncsm-featuredgirl scoutstop viewed 2021marinetrackerwaste managementecology & environmentlitterocean pollutionearth2025marine debrisappdebriscsm2025nature & outdoors

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