top viewed 2021

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Mar 27, 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 & Outdoorsdunn labspringgirl scoutsrob dunnsummer reading 2021rob dunn labcookiesdietfallfunantnutrientstop viewed 2021ant picnicpicnicoutsidetop2022top 22 in 2022winteryour wild lifenorth carolinaantsnutritionwildlifesummer

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasawisenasa-sciactplanetstop viewed 2021planet ninesolar system_nasanasa-supportedbrown dwarfsstars

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 & Outdoorsinsectstop viewed 2021cicadasinsectcicadaperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipeswatertop 22 in 2022top viewed 2021healthtop2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale watchcitizen sciencewhale biologycetaceantop viewed 2021fin whalenature & outdoorsstrandingconservationwhaleoceankiller whaleoceanswhalessea mammalgpsmammalstrackmappingnon-invasiveanimalrescuewhale migrationmarine mammalogyminkedolphinseaminke whalephoto idphotomarine mammalstorytellingwhale trackingmigrationtrackingsea animalhumpbacksphotographystoryorcasorcahumpbackwhale watchingocean-dwellingecology & environmentresearchmapmammalwildlifefinphoto identificationstoriesidentificationunderwater

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop2022csm-featuredtop viewed 2021librarycsm2026light pollutionstartop 22 in 2022nagirl scouts

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spacegirl scoutstop2022atmospherecsm2025nasadust stormsglobetop viewed 2021nasa-supportedcloudsdustclimateweather_nasacsm2026appcsm-featuredthe globe programearth2025nasa gotop 22 in 2022nasa-sciact

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentgardenbiodiversitylibraryinsect populationsandroidsummer reading 2021csm2026museumnaturetop viewed 2021apptop2022iphoneec2020girl scoutstop 22 in 2022csm-featurednaturalist

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentdroughtfunrainremote sensingclimate scienceearth2025wnycnew orleansclimate educationtop 22 in 2022climate changetrees urban street forest mappublic mediaresilienceurban heat islandnasa orbiting carbon observatoryfloodneighborhoodcommunitymountainssea level risejournalismphotographytop2022jet propulsion laboratorycitizen science watermarine environmentcitizen journalismtop viewed 2021storiessnowweatherlos angelesbeachesyale climate connectionsbirdsscienceearthsensorsjulia kumari drapkincrowdsourcingnprradionasaearth scienceclimatemiamisatellitestreesheatmappingcsm-featuredgirl scoutscoastal changebackyardcarbonurban heatcsm2025citycitizen sciencecommunity engagementnew york

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationnature & outdoorsmarine debrisecology & environmentcsm2025appwaste managementmarinedebriscsm-featuredocean pollutiongirl scoutslittercsm2026earth2025top viewed 2021trackerplastic pollution

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