top viewed 2021

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Apr 27, 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 & Outdoorswinterrob dunnspringantsnorth carolinasummerdietant picnictop2022dunn labyour wild lifefunpicnicantoutsidenutrientswildlifecookiessummer reading 2021girl scoutsfalltop viewed 2021rob dunn labtop 22 in 2022nutrition

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasatop viewed 2021solar systemwisenasa-supportedstarsplanet ninebrown dwarfsplanetsnasanasa-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 cicadastop viewed 2021insectcicadasinsectscicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop viewed 2021top 22 in 2022pipestop2022health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale biologymappingminke whalemapkiller whaletrackingsea mammaloceanphoto idanimaltop viewed 2021mammalstrackecology & environmentgpsstorycitizen sciencehumpbackconservationnon-invasiverescuenature & outdoorsoceanswhale trackingidentificationseamigrationphotowhale watchingminkephotographywhale migrationstrandingmarine mammalogyphoto identificationmarine mammalhumpbacksorcawhale watchunderwaterorcaswildlifesea animalfin whalefinstoriesocean-dwellingcetaceanmammalresearchdolphinwhalestorytellingwhales

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentcsm2026nalibrarytop2022top viewed 2021top 22 in 2022girl scoutscsm-featuredstarlight pollution

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 & Weathertop2022girl scoutscsm2025top viewed 2021atmospherecloudsappcsm-featureddustweathernasa-sciactnasa-supportedthe globe programnasanasa goclimatetop 22 in 2022earth2025_nasacsm2026dust stormsglobe

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentlibraryec2020top viewed 2021gardenmuseumbiodiversitygirl scoutssummer reading 2021csm-featuredtop 22 in 2022csm2026naturalistinsect populationsandroidiphoneapptop2022nature

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsensorsearth2025neighborhoodyale climate connectionscitizen science waterclimate sciencenasatop2022top 22 in 2022girl scoutspublic mediafloodstoriesmountainsmappingrainsnowtrees urban street forest mapnew orleansbirdscommunity engagementclimate educationcommunitylos angelesnasa orbiting carbon observatorytop viewed 2021satellitestreesfunbeachesdroughtcitizen journalismjet propulsion laboratoryphotographyresilienceheatcsm2025sciencejulia kumari drapkincsm-featuredremote sensingurban heatradiocitizen scienceclimatenew yorkweatherearth sciencecarbonwnycnprjournalismbackyardmiamimarine environmentcitysea level risecoastal changeearthurban heat islandcrowdsourcingclimate change

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationtrackermarinecsm2025top viewed 2021nature & outdoorscsm-featuredplastic pollutiondebrisearth2025girl scoutslittermarine debrisappecology & environmentcsm2026ocean pollutionwaste management

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