top viewed 2021

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May 13, 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 MarineFoodAgriculturefunsummer reading 2021wildlifeantgirl scoutstop 22 in 2022top2022your wild lifecookiesnutritionrob dunn labdunn labtop viewed 2021dietspringpicnicwinteroutsideant picnicrob dunnantsfallnorth carolinasummernutrients

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spaceplanet ninetop viewed 2021solar system_nasanasanasa-sciactnasa-supportedstarswisebrown dwarfsplanets

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 & Outdoorstop viewed 2021periodical cicadasinsectcicadascicadainsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022waterhealthtop 22 in 2022top viewed 2021pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale migrationsea mammalnon-invasivemigrationresearchfin whaletop viewed 2021dolphinwhalegpsanimalstorytellingphotocetaceannature & outdoorsorcasmapfinmammalsocean-dwellingtrackingwhale watchingstoryunderwaterphoto identificationconservationidentificationstrandinghumpbackhumpbackswhale watchmarine mammalkiller whalesea animalwhalesminketrackwildlifephotographystoriesmarine mammalogyseaoceancitizen sciencewhale biologyrescueorcaecology & environmentoceansphoto idmammalmappingminke whalewhale tracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop 22 in 2022top viewed 2021csm2026librarygirl scoutsstartop2022csm-featurednalight 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 & Weathertop 22 in 2022dustnasa-sciactnasa-supportedearth2025weathertop2022csm2026top viewed 2021climateatmospherethe globe programdust stormscloudscsm-featuredglobecsm2025_nasaappnasanasa gogirl scouts

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentbiodiversitymuseumappandroidgirl scoutsgardencsm2026ec2020top viewed 2021iphonenaturalistlibrarysummer reading 2021top2022insect populationsnaturecsm-featuredtop 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcitizen journalismheatcsm2025funurban heat islandcityclimate educationmountainsresilienceclimate sciencewnycmappingbackyardjulia kumari drapkintreesmiamicitizen science watertop viewed 2021photographyurban heatlos angelesearth scienceremote sensingcommunity engagementcsm-featurednew orleanscommunityrainnprweatherjet propulsion laboratoryradiomarine environmenttop 22 in 2022neighborhoodscienceclimate changesatellitesearthearth2025girl scoutssensorsstoriesnasa orbiting carbon observatorybirdsnasacitizen sciencetrees urban street forest mappublic medianew yorkfloodcrowdsourcingbeachessea level riseyale climate connectionsjournalismclimatetop2022snowcarbondroughtcoastal 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 & OutdoorsEducationplastic pollutioncsm2026nature & outdoorsocean pollutiondebristop viewed 2021appgirl scoutscsm-featuredmarine debristrackerecology & environmentcsm2025waste managementmarinelitterearth2025

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