top viewed 2021

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May 21, 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 & Outdoorswintertop viewed 2021fundiettop 22 in 2022antsdunn labfalloutsideant picnicpicniccookiesyour wild lifewildlifenutrientsnorth carolinaantnutritiontop2022girl scoutssummer reading 2021rob dunnrob dunn labsummerspring

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasastarsplanetssolar systemnasa-supportednasa-sciacttop viewed 2021brown dwarfsplanet ninewisenasa

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 cicadasinsectstop viewed 2021insectcicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021healthtop2022watertop 22 in 2022pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale biologymarine mammalogyorcastop viewed 2021strandingconservationmappingfin whalewhalesstoryminkewhaleoceanmapresearchoceansphoto identificationmigrationstoriestrackseahumpbackdolphinocean-dwellingwildlifecetaceanrescuephotomarine mammalnature & outdoorsorcaunderwatersea mammalecology & environmentcitizen sciencestorytellingsea animalnon-invasivehumpbacksminke whalewhale trackingkiller whalewhale migrationmammalsphoto idtrackinganimalwhale watchingwhale watchgpsmammalphotographyfinidentification

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutstop 22 in 2022_moslibrarynalight pollutiontop viewed 2021starcsm2026top2022csm-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 & Weathernasa-supportedweatheratmospherethe globe programcloudstop viewed 2021nasa gonasaappcsm2026earth2025csm-featuredgirl scoutsdust stormsnasa-sciactdustcsm2025_nasaclimatetop 22 in 2022globetop2022

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentlibrarynaturalistcsm2026appinsect populationsbiodiversityiphoneandroidcsm-featuredsummer reading 2021top viewed 2021top 22 in 2022natureec2020girl scoutsgarden_mosmuseumtop2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentyale climate connectionsradiobirdsbeachesrainsnowfunresiliencepublic mediacommunity engagementcommunitywnycnew yorkweatherclimate educationtrees urban street forest mapcitizen sciencemarine environmentmiamistoriesnew orleansgirl scoutscrowdsourcingearth sciencesensorsphotographynprtop2022backyardtreesurban heat islandclimate changesea level risetop 22 in 2022nasa orbiting carbon observatoryurban heattop viewed 2021mappingfloodjulia kumari drapkinlos angelesnasacitizen journalismscienceclimateneighborhoodearth2025jet propulsion laboratorydroughtremote sensingcitizen science watercityjournalismcsm2025earthcsm-featuredcoastal changeheatclimate sciencecarbonsatellitesmountains

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 pollutiontrackernature & outdoorscsm2025earth2025ecology & environmentwaste managementgirl scoutscsm-featuredmarinelittertop viewed 2021csm2026appmarine debrisocean pollutiondebris

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