top viewed 2021

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Aug 2, 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 & Outdoorsoutsidenutrientswildlifespringsummer reading 2021antstop viewed 2021your wild lifeantcookiesgirl scoutsrob dunnrob dunn labfalldunn labwinternutritiontop 22 in 2022funpicnicant picnicnorth carolinasummerdiettop2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfs_nasaplanet ninenasa-sciactstarsnasa-supportedsolar systemnasawiseplanetstop viewed 2021

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 cicadasinsectinsectscicadacicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop 22 in 2022pipeswatertop2022healthtop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsorcasea mammalmammalphotographyoceanresearchphoto identificationtracktrackingtop viewed 2021whale watchmarine mammalmappingcetaceanphoto idorcaswhale migrationstoriesseagpsmammalsminkecitizen sciencewhale watchinghumpbacksecology & environmentfin whaleunderwaternon-invasivehumpbacknature & outdoorsrescuewhale biologystrandingmarine mammalogyminke whaleconservationwhalesea animalmapphotowhaleskiller whalewhale trackingwildlifeidentificationoceansocean-dwellinganimalstorytellingstoryfindolphinmigration

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacecsm2026librarytop 22 in 2022girl scoutslight pollutiontop2022starnacsm-featuredtop viewed 2021_mos

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 & Weathercsm2025globegirl scoutsweathertop viewed 2021nasa-sciactcsm2026dust stormsatmospheredustnasa-supportedclimatenasa goearth2025csm-featuredthe globe programtop 22 in 2022nasa_nasacloudsapptop2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentnatureandroidgirl scoutscsm2026naturalistinsect populationsappgardenlibrarybiodiversityiphonetop viewed 2021ec2020disney_mossummer reading 2021top2022top 22 in 2022museumcsm-featured

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcsm2025snownew yorkcitytreescsm-featuredgirl scoutscrowdsourcinglos angelescoastal changemiamitrees urban street forest mapmountainsdroughtclimatemarine environmentjet propulsion laboratorysensorsphotographyyale climate connectionscitizen science waterweatherjournalismtop 22 in 2022citizen scienceclimate changetop2022climate scienceremote sensingearth sciencecommunityfloodcitizen journalismurban heatclimate educationnprtop viewed 2021birdsnasa orbiting carbon observatorypublic mediasciencecarbonjulia kumari drapkinmappingstoriesbackyardwnycrainradiosatellitesearth2025resiliencenew orleanscommunity engagementneighborhoodfunurban heat islandsea level riseheatearthnasabeaches

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationdebriscsm2025csm2026littergirl scoutstrackerwaste managementmarine debrisappplastic pollutionearth2025csm-featuredmarinetop viewed 2021ecology & environmentocean pollutionnature & outdoors

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