top viewed 2021

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May 2, 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 MarineFoodAgriculturenorth carolinasummer reading 2021dunn labnutrientsgirl scoutsspringtop viewed 2021dietwinterfunrob dunnwildlifenutritiontop 22 in 2022top2022your wild lifeoutsidesummerpicnicantscookiesant picnicantfallrob dunn lab

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfsnasa-supportedplanet ninesolar systemnasa-sciactwisestarsnasa_nasaplanetstop viewed 2021

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 & Outdoorscicadascicadainsectperiodical cicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021top 22 in 2022healthtop2022waterpipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsphototrackwhale watchingecology & environmentcitizen sciencehumpbacksorcaswhale watchsea animalstorytellingwildlifewhale migrationkiller whalephotographyphoto idgpsoceanswhalesmammalfin whalemammalscetaceanmigrationoceanminkefinsea mammalresearchmarine mammalogydolphinmappingmarine mammalnon-invasiveunderwaternature & outdoorsminke whaleidentificationstorywhalewhale trackingrescuewhale biologyphoto identificationtop viewed 2021orcaanimalhumpbackstoriesocean-dwellingconservationtrackingmapstrandingsea

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentcsm2026librarygirl scoutstop2022startop 22 in 2022natop viewed 2021light pollutioncsm-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 gocsm-featuredgirl scoutstop 22 in 2022dustearth2025dust stormscsm2025the globe programtop2022climateglobe_nasanasa-sciactnasaweathercloudsatmospherecsm2026apptop viewed 2021nasa-supported

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentbiodiversitymuseumgardeniphonetop2022top 22 in 2022naturalistcsm-featuredandroidtop viewed 2021summer reading 2021insect populationsgirl scoutsnaturelibraryec2020appcsm2026

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbirdsbackyardcsm2025citycarbonresilienceclimate sciencesensorsclimate educationmiamilos angelesgirl scoutssea level risecitizen sciencenasacommunity engagementsnowtop2022marine environmentwnycmappingclimate changejulia kumari drapkincoastal changemountainstrees urban street forest mapclimateurban heatremote sensingnprrainstoriesneighborhoodcrowdsourcingpublic mediatreesnew orleansphotographyearthjournalismcitizen journalismsatellitesearth sciencefunweathernew yorkradiodroughtnasa orbiting carbon observatoryjet propulsion laboratoryfloodurban heat islandheatbeachesearth2025sciencecommunitytop viewed 2021top 22 in 2022citizen science watercsm-featuredyale climate connections

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationocean pollutiongirl scoutsmarinedebristop viewed 2021earth2025nature & outdoorsplastic pollutionappcsm2026ecology & environmenttrackercsm-featuredcsm2025littermarine debriswaste management

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