top viewed 2021

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Apr 4, 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 & Outdoorsrob dunnwintercookiespicnicspringyour wild lifefundietnutrientstop 22 in 2022summer reading 2021top2022ant picnictop viewed 2021nutritionantsnorth carolinarob dunn labdunn labgirl scoutsfallwildlifesummerantoutside

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninetop viewed 2021nasastarssolar systemplanetsnasa-supportedbrown dwarfsnasa-sciactwise_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 & Outdoorscicadainsectperiodical cicadascicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022healthpipeswatertop viewed 2021top2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmammalcetaceantop viewed 2021oceanhumpbacksfinidentificationwhaleminke whalenature & outdoorsconservationecology & environmentstorytellingstrandingunderwaterdolphinphoto identificationmammalsstorymigrationwhalesmappingwildlifewhale migrationsea mammalmarine mammalfin whalephotographymarine mammalogyseanon-invasivemapstoriesresearchanimalorcaocean-dwellingwhale watchphoto idorcasminkewhale biologytrackkiller whalehumpbackoceansphotogpscitizen sciencesea animalrescuewhale trackingtrackingwhale watching

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop viewed 2021csm-featuredlibrarytop2022csm2026starnagirl scoutslight pollutiontop 22 in 2022

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 & Weatherglobegirl scoutsthe globe programcsm2025nasa-sciacttop 22 in 2022climateearth2025atmospherenasa goweatherappnasa-supportedcsm2026csm-featuredcloudsnasatop2022dust stormstop viewed 2021_nasadust

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentInsects & PollinatorsAnimalsBiologyNature & OutdoorsOcean Water Marinebiodiversitycsm2026libraryec2020top viewed 2021insect populationsgirl scoutscsm-featuredmuseumnatureiphoneappgardenandroidsummer reading 2021top 22 in 2022top2022naturalist

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmappingclimate changephotographyresiliencecarbonurban heat islandtop2022climatemountainsweatherdroughtbirdsgirl scoutsnasastoriesmiamiearthcitizen journalismsensorssatellitesfloodbeachesurban heatsciencesnowrainearth2025top 22 in 2022radioneighborhoodcsm-featuredheatcitizen science watercoastal changejulia kumari drapkincsm2025nasa orbiting carbon observatoryearth sciencemarine environmenttrees urban street forest mapfunsea level risejournalismyale climate connectionscommunitynew orleanslos angelesremote sensingclimate sciencetreesclimate educationbackyardwnycnprcrowdsourcingcitizen sciencepublic mediacitynew yorkjet propulsion laboratorytop viewed 2021community engagement

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationwaste managementlitterocean pollutionmarinetrackerdebrisecology & environmentgirl scoutsplastic pollutioncsm-featurednature & outdoorsmarine debriscsm2025csm2026top viewed 2021appearth2025

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