top viewed 2021

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Jan 7, 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 & Outdoorspicnicnutritiondunn labsummergirl scoutscookiesrob dunnnutrientsfallwintertop viewed 2021wildlifefunant picnicnorth carolinayour wild lifesummer reading 2021outsidespringtop 22 in 2022antsrob dunn labtop2022dietant

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar systemstarsnasawisenasa-sciact_nasanasa-supportedplanetsplanet ninetop viewed 2021brown 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 & Outdoorscicadacicadasinsectsinsectperiodical cicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop2022top viewed 2021top 22 in 2022pipeshealth

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsocean-dwellingtop viewed 2021whalecitizen sciencegpsmammalsorcasnon-invasivestoryminkerescuemappingwildlifekiller whalephotographycetaceanphoto identificationwhale watchnature & outdoorswhale watchingecology & environmenthumpbacksdolphinfin whaleoceanphoto idstorytellingwhale migrationmarine mammalogyphotomammalwhale biologyfinmarine mammalseaorcaidentificationwhale trackingmigrationmapanimalconservationsea mammalsea animalunderwaterresearchwhalesoceansstoriesstrandingminke whaletrackingtrackhumpback

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop viewed 2021csm-featuredtop2022light pollutionnalibrarygirl scoutsstartop 22 in 2022

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marinecsm-featuredweathernasacsm2025globedust_nasaatmosphereappthe globe programtop viewed 2021climatecloudstop2022earth2025nasa-sciacttop 22 in 2022girl scoutsnasa godust stormsnasa-supported

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentlibrarycsm-featurednaturalistiphonemuseumtop 22 in 2022gardennaturetop viewed 2021insect populationsec2020top2022appandroidgirl scoutssummer reading 2021biodiversity

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentjet propulsion laboratorynprradiolos angelesresiliencenew orleansmountainscitizen science waterphotographyneighborhoodbackyardsensorsmarine environmentheatsea level riseclimatesciencefunearthclimate changestoriesweathercsm-featuredyale climate connectionscitizen journalismcoastal changeremote sensingbeachestreesdroughtpublic medianew yorkfloodmiamicsm2025satelliteswnyctrees urban street forest maptop2022journalismclimate scienceurban heat islandurban heatcitizen sciencecommunityearth sciencegirl scoutscrowdsourcingjulia kumari drapkinrainnasacitysnownasa orbiting carbon observatoryclimate educationearth2025community engagementtop viewed 2021birdscarbonmappingtop 22 in 2022

Marine Debris Tracker

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

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Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationplastic pollutioncsm-featuredtop viewed 2021marinewaste managementecology & environmentcsm2025marine debrislitterdebrisnature & outdoorsocean pollutionearth2025appgirl scoutstracker

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