top viewed 2021

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Aug 22, 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 & Outdoorstop viewed 2021springfunnutritionpicnictop 22 in 2022nutrientscookiesdietoutsidewildlifeantrob dunn labwintersummersummer reading 2021antsyour wild lifefallrob dunnant picnictop2022girl scoutsdunn labnorth carolina

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasaplanet ninetop viewed 2021_nasasolar systemnasa-sciactbrown dwarfsnasa-supportedwisestarsplanets

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 & Outdoorscicadaperiodical cicadasinsectcicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop 22 in 2022top2022healthpipestop viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorscitizen sciencewildlifeecology & environmenthumpbacksmigrationresearchwhale biologywhale migrationnon-invasivetrackconservationwhale watchorcarescuewhale trackingmapminkeunderwaterfin whalemarine mammalcetaceanwhalesnature & outdoorshumpbackgpsfinstrandingstoriesmarine mammalogyseaminke whaletrackingmammalsstorymammalphotographytop viewed 2021sea animalanimalwhale watchingdolphinsea mammalmappingphotoidentificationphoto identificationoceankiller whaleocean-dwellingoceanswhaleorcasstorytellingphoto id

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutscsm2026light pollutiontop viewed 2021top2022csm-featured_mostop 22 in 2022librarynastar

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 & Weatherclouds_nasanasa-sciactdustthe globe programtop viewed 2021top2022top 22 in 2022atmosphereappcsm2025nasa-supportedglobegirl scoutscsm-featuredcsm2026earth2025dust stormsnasanasa goclimateweather

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentinsect populationsgardendisneyiphonegirl scoutsnaturalistec2020biodiversitytop 22 in 2022libraryappcsm-featuredcsm2026_mosandroidsummer reading 2021naturetop viewed 2021museumtop2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop 22 in 2022climate changecarbonsea level risepublic medialos angelestop viewed 2021backyardyale climate connectionsfunclimate sciencebirdsmarine environmentscienceclimateearth2025weatherneighborhoodnasa orbiting carbon observatorynasanew orleansgirl scoutsjulia kumari drapkinrainurban heat islandwnycmountainsremote sensingcrowdsourcingnprcommunityphotographycsm-featuredbeachescitizen scienceclimate educationcsm2025mappingearth sciencestoriescoastal changetrees urban street forest mapcommunity engagementnew yorkdroughtsensorstreesmiamiradiocityfloodheatsnowjet propulsion laboratoryresiliencetop2022journalismsatellitescitizen journalismearthcitizen science waterurban heat

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationdebriscsm2026csm-featurednature & outdoorscsm2025littermarineocean pollutionappgirl scoutsearth2025marine debrisplastic pollutionecology & environmenttop viewed 2021waste managementtracker

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