top viewed 2021

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Mar 23, 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 & Outdoorssummerfallyour wild lifespringrob dunn labant picnictop 22 in 2022nutritionnorth carolinadunn labwinterrob dunnantsdietoutsidenutrientspicnicantfunwildlifesummer reading 2021girl scoutstop viewed 2021cookiestop2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacestarsplanetswisenasa-supportednasa-sciactnasasolar systembrown dwarfs_nasaplanet ninetop 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 & Outdoorscicadaperiodical cicadasinsectsinsectcicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthwatertop 22 in 2022pipestop viewed 2021top2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmammalphoto idwhale biologyidentificationstoriesmigrationstrandingwhaleswhaleoceancetaceandolphinminke whalephoto identificationanimalcitizen sciencegpswildlifefinmarine mammalogyocean-dwellingwhale watchecology & environmentmarine mammalsea animalmappingphotographymammalsunderwaternature & outdoorsseastoryrescueoceanswhale trackingtrackorcahumpbacktop viewed 2021conservationwhale watchingorcaswhale migrationtrackingresearchhumpbackssea mammalmapphotonon-invasivestorytellingkiller whalefin whaleminke

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop viewed 2021top 22 in 2022csm2026girl scoutscsm-featuredstartop2022nalibrarylight pollution

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spaceweathercloudscsm2025climatedust storms_nasacsm2026appgirl scoutsnasa-supportedthe globe programtop2022earth2025nasa-sciactcsm-featureddustglobetop 22 in 2022top viewed 2021nasanasa goatmosphere

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentInsects & PollinatorsAnimalsBiologyNature & OutdoorsOcean Water Marinemuseumtop2022gardenapptop 22 in 2022androidiphonegirl scoutsinsect populationslibrarycsm2026summer reading 2021top viewed 2021naturalistcsm-featuredbiodiversityec2020nature

ISeeChange

We’re making a record of climate change impacts.

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Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcitizen sciencemarine environmentmappingtop2022climatecsm2025citycrowdsourcingyale climate connectionstop 22 in 2022top viewed 2021climate educationmiamiclimate scienceneighborhoodearth sciencenasa orbiting carbon observatorycarbonsensorscommunity engagementcitizen science waterradionasacsm-featuredfloodsciencephotographyremote sensinglos angelesearth2025satellitesweathernprnew orleanscitizen journalismtrees urban street forest mapmountainsjournalismbackyardrainwnyccoastal changeheatgirl scoutsnew yorksnowpublic mediadroughtclimate changecommunityfunresiliencebirdsjulia kumari drapkinearthbeachesurban heat islandtreesjet propulsion laboratorystoriessea level riseurban heat

Marine Debris Tracker

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

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Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm-featurednature & outdoorscsm2025debrisearth2025ocean pollutiongirl scoutsappecology & environmentmarine debristrackerplastic pollutiontop viewed 2021litterwaste managementcsm2026marine

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