top viewed 2021

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May 1, 2026

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & PollinatorsEducationEcology & EnvironmentOcean Water MarineFoodAgriculturesummerfuncookiessummer reading 2021picnicwintertop 22 in 2022outsideyour wild lifenutritiontop viewed 2021antnorth carolinadietdunn labfallgirl scoutsant picnicnutrientsspringantstop2022wildliferob dunn labrob dunn

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacetop viewed 2021nasa-sciactnasa-supportedstarswiseplanet ninebrown dwarfsplanetsnasasolar system_nasa

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 & Outdoorsinsectperiodical cicadasinsectscicadastop viewed 2021cicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop 22 in 2022pipestop2022top viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsstorytellingidentificationoceanssea animalminkewhalesocean-dwellingmarine mammalrescuefin whalehumpbacksmammalswhale trackingwhale biologyphoto identificationnature & outdoorskiller whaleunderwaterorcaoceanorcastop viewed 2021trackwhale watchwhale watchingnon-invasiveresearchstorygpsphotographyhumpbackanimalecology & environmentminke whalecetaceanfincitizen sciencemappingmapphoto idwhale migrationstoriestrackingwhalesea mammalmarine mammalogystrandingdolphinwildlifemigrationconservationmammalphotosea

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop 22 in 2022top viewed 2021girl scoutsnalight pollutionstarlibrarycsm-featuredcsm2026top2022

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 & Weathercsm2025top 22 in 2022dust stormscsm2026girl scoutsglobe_nasacsm-featurednasa-sciactweathernasanasa-supportedtop viewed 2021appdusttop2022climatenasa gocloudsatmosphereearth2025the globe program

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentcsm2026gardengirl scoutstop2022biodiversitytop 22 in 2022androidnaturetop viewed 2021museumappinsect populationsec2020naturalistcsm-featurediphonesummer reading 2021library

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentremote sensingfunmountainscitizen scienceradiomiamicommunityearthtrees urban street forest mapphotographyurban heat islanddroughtsatellitesgirl scoutsurban heatnasasnowtop2022storiescarbonnasa orbiting carbon observatorytop viewed 2021sensorscoastal changepublic mediasciencebeacheswnyctop 22 in 2022new orleanscsm-featuredsea level riseclimate changecsm2025marine environmentjulia kumari drapkincommunity engagementearth2025earth sciencecitizen science wateryale climate connectionsnew yorkmappingjournalismnprclimate sciencefloodjet propulsion laboratoryneighborhoodresiliencetreesbackyardweathercitizen journalismcityheatclimate educationcrowdsourcinglos angelesclimaterainbirds

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationmarinetrackerocean pollutiontop viewed 2021littercsm2025plastic pollutionmarine debrisearth2025waste managementappgirl scoutsecology & environmentcsm2026csm-featureddebrisnature & outdoors

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