top viewed 2021

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Feb 28, 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 & Outdoorssummerrob dunnantsnutritionfalltop2022top viewed 2021dunn laboutsideantant picnictop 22 in 2022your wild lifegirl scoutsnorth carolinasummer reading 2021picnicwinterspringfunrob dunn labnutrientscookiesdietwildlife

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasastarsplanet ninenasa-sciactsolar systemtop viewed 2021planetswisenasa-supportednasabrown dwarfs

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 cicadastop viewed 2021insectinsectscicadacicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewaterhealthtop2022pipestop viewed 2021top 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsidentificationmammalsorcaocean-dwellingphotowhalesfinhumpbacksmappingstorytellingrescuephotographyphoto identificationmammaloceanconservationminke whalekiller whaleoceanswhale watchingsea animaltop viewed 2021humpbacknon-invasivemapwhalefin whalewhale trackingstoriescetaceanresearchecology & environmentsea mammalnature & outdoorsunderwatertrackingmarine mammalwhale biologystrandingphoto idwhale watchgpsmarine mammalogydolphinanimalorcasminkeseastorycitizen sciencetrackwhale migrationwildlifemigration

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022light pollutionstarlibrarycsm-featuredtop viewed 2021top 22 in 2022nagirl scouts

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencegirl scoutsglobenasa gocsm-featuredthe globe programnasa-supporteddust stormsnasa-sciacttop2022climatecloudsapptop viewed 2021_nasacsm2025atmospheretop 22 in 2022weatherearth2025nasadust

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marineinsect populationsandroidgirl scoutsnaturetop viewed 2021ec2020top2022summer reading 2021naturalistgardenappbiodiversitytop 22 in 2022museumcsm-featurediphonelibrary

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentphotographystoriestrees urban street forest mapcommunity engagementurban heat islandearthfloodbackyardearth2025journalismpublic mediasea level risetreesmiamijulia kumari drapkinjet propulsion laboratorybirdswnycremote sensingheatbeachesresiliencecrowdsourcingfunmountainscommunityradiocoastal changesatellitescitizen sciencegirl scoutsneighborhoodsnowcsm-featurednasamarine environmentnasa orbiting carbon observatoryyale climate connectionstop2022los angelescsm2025new orleanscitizen science watertop 22 in 2022rainweatherclimate educationclimate sciencetop viewed 2021earth sciencecarbondroughtclimate changemappingsciencesensorsnew yorkclimateurban heatnprcitizen journalismcity

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationgirl scoutstop viewed 2021trackerearth2025marine debrisecology & environmentcsm2025debrisocean pollutionmarineplastic pollutionnature & outdoorswaste managementappcsm-featuredlitter

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