top viewed 2021

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May 18, 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 MarineFoodAgriculturewinternutrientsantfunpicnicwildlifetop2022antsspringgirl scoutsyour wild lifesummeroutsidetop viewed 2021rob dunn labrob dunncookiesant picnicdietnorth carolinafalldunn labsummer reading 2021top 22 in 2022nutrition

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasaplanet ninestarssolar systemnasa-sciactnasa-supportedplanetstop viewed 2021_nasawisebrown 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 2021cicadasinsectsinsectcicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthpipestop 22 in 2022top viewed 2021watertop2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorshumpbacksidentificationnon-invasivecetaceanmigrationnature & outdoorsocean-dwellingwhalesconservationphoto idhumpbackorcawhaletrackingminkemapresearchminke whaletop viewed 2021ecology & environmentwhale trackingwhale watchmammalstorytellingmappingphoto identificationphotographystoriestrackorcasoceanssea mammaloceanwhale watchingcitizen scienceunderwaterfin whalerescuewhale biologywildlifedolphinmarine mammalogyfinkiller whalestrandingsea animalphotoseawhale migrationanimalmarine mammalgpsmammalsstory

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenacsm2026top2022top 22 in 2022girl scoutstop viewed 2021light pollutionstar_moslibrarycsm-featured

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 & Weathertop2022top viewed 2021cloudsthe globe programnasadustglobeclimateatmospheregirl scoutscsm2025csm2026nasa go_nasaearth2025weathernasa-supportednasa-sciactappcsm-featuredtop 22 in 2022dust storms

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marineandroidcsm-featuredsummer reading 2021natureiphonetop 22 in 2022naturalistcsm2026gardengirl scoutsmuseumappec2020top2022top viewed 2021biodiversity_moslibraryinsect populations

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentearth sciencesea level riseearthneighborhoodremote sensingcsm-featuredmappingjournalismnew yorkdroughtcommunityfloodtrees urban street forest mapcrowdsourcingcityclimate sciencecommunity engagementnasa orbiting carbon observatoryclimate changecitizen journalismsatellitesweatherurban heat islandlos angelestop 22 in 2022urban heatresiliencenew orleansclimate educationwnycmarine environmentjet propulsion laboratoryphotographyheatclimateraincitizen science watersciencecoastal changenprbirdstreescitizen sciencesnowgirl scoutsradiocarbonstoriessensorsbackyardtop viewed 2021earth2025nasayale climate connectionsjulia kumari drapkinfunmountainsmiamicsm2025beachestop2022public media

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 pollutionocean pollutionnature & outdoorsdebrisearth2025csm2026appecology & environmentmarinecsm2025csm-featuredlittertrackertop viewed 2021marine debrisgirl scoutswaste management

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