top viewed 2021

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Nov 28, 2025

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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 & Outdoorstop 22 in 2022your wild lifetop2022nutritionantpicnicgirl scoutsfuntop viewed 2021nutrientsdietsummer reading 2021springdunn labcookiesantsoutsidesummerrob dunn labrob dunnwildlifewinternorth carolinaant picnicfall

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninenasawisesolar systemtop viewed 2021_nasanasa-supportedplanetsbrown dwarfsstarsnasa-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 cicadascicadacicadasinsecttop viewed 2021insects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop viewed 2021top 22 in 2022top2022healthwater

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsocean-dwellingphototrackmigrationfinstoriesmapmammalsminke whaleminkewhale trackingorcanon-invasiveecology & environmentconservationcitizen sciencefin whaletop viewed 2021photo idsea mammalhumpbacksresearchwhale biologysea animalwildlifephoto identificationcetaceanstrandinganimaltrackingunderwaterwhale watchingrescuenature & outdoorswhalesmarine mammalogyoceansoceanwhale watchkiller whalehumpbackstorytellingstorymarine mammalphotographywhalewhale migrationidentificationdolphinmammalseaorcasgpsmapping

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentstargirl scoutsnatop2022top 22 in 2022top viewed 2021csm-featuredlibrarylight pollution

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marinenasa gotop viewed 2021_nasaclimateearth2025top 22 in 2022appthe globe programcloudsdust stormsnasa-supportedtop2022csm-featurednasa-sciactgirl scoutsatmospherecsm2025dustweathernasaglobe

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop 22 in 2022museuminsect populationstop viewed 2021librarybiodiversityappnaturesummer reading 2021gardencsm-featuredec2020naturalistandroidgirl scoutsiphonetop2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsensorsweathermarine environmentsnowbirdsclimateremote sensingjet propulsion laboratoryjulia kumari drapkinresiliencedroughtearthtop viewed 2021neighborhoodearth sciencesatellitesheatmountainsnprbackyardclimate changecommunityurban heatmappingcoastal changecsm-featuredcitizen science waterfloodstoriesmiamibeachesnew yorkcarbonwnyccrowdsourcingclimate educationtop 22 in 2022treestrees urban street forest mapcitizen sciencenew orleansurban heat islandradiophotographysea level riseyale climate connectionscommunity engagementearth2025climate sciencejournalismcitizen journalismgirl scoutsfuntop2022nasa orbiting carbon observatorycsm2025public medianasaraincitysciencelos angeles

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationwaste managementecology & environmentearth2025csm-featuredappnature & outdoorsmarine debrisgirl scoutscsm2025debristop viewed 2021ocean pollutiontrackermarinelitterplastic pollution

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