top viewed 2021

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Apr 2, 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 & Outdoorstop viewed 2021cookiesdunn labant picnicanttop 22 in 2022winterwildlifeoutsidedietnutritionpicnicgirl scoutsantsyour wild lifetop2022rob dunnfunnorth carolinaspringsummerfallsummer reading 2021rob dunn labnutrients

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasastarswiseplanetsnasaplanet ninebrown dwarfssolar systemtop viewed 2021nasa-supportednasa-sciact

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 & Outdoorscicadacicadasperiodical cicadasinsectinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop2022watertop 22 in 2022top viewed 2021pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsidentificationstoriesmammalfinwhale watchnature & outdoorsstorytellingwhalesstrandingecology & environmentstoryphoto identificationmarine mammalocean-dwellingminketop viewed 2021whale biologymarine mammalogygpsmappingwildlifeanimalsea animalcitizen sciencemammalskiller whaletrackwhale trackingorcaoceanwhalemigrationunderwatersea mammalnon-invasivedolphinseamaptrackingorcasconservationwhale watchingrescueresearchhumpbacksphotooceansminke whalephoto idwhale migrationfin whalephotographyhumpbackcetacean

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentlight pollutiongirl scoutstop 22 in 2022librarycsm2026starnatop viewed 2021top2022csm-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 & Weatherclimateatmosphere_nasatop 22 in 2022nasa-supporteddustgirl scoutsthe globe programtop2022csm2025nasanasa-sciactappdust stormsearth2025weathercsm2026csm-featuredglobenasa gocloudstop viewed 2021

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentInsects & PollinatorsAnimalsBiologyNature & OutdoorsOcean Water Marinemuseumgardenappcsm-featurediphonesummer reading 2021insect populationscsm2026biodiversityandroidtop viewed 2021girl scoutslibrarytop2022ec2020naturalisttop 22 in 2022nature

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentnew yorkphotographyclimate scienceurban heatjournalismmiamiresiliencebirdsfunneighborhoodstoriescsm-featuredurban heat islandpublic mediarainnasa orbiting carbon observatorytreessciencesensorsfloodcitizen journalismsatellitescsm2025sea level risenprcarbonearth2025girl scoutscrowdsourcingcitizen scienceclimateclimate educationclimate changenew orleanstop 22 in 2022droughtcommunity engagementmappingmarine environmentsnowjulia kumari drapkintop2022nasacoastal changebeachestop viewed 2021cityyale climate connectionscitizen science waterearthradiolos angelesweathermountainsbackyardjet propulsion laboratorytrees urban street forest mapremote sensingcommunitywnycearth scienceheat

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationlitterplastic pollutionnature & outdoorscsm2026appecology & environmentdebrisocean pollutioncsm-featuredtop viewed 2021girl scoutsmarinemarine debriscsm2025trackerwaste managementearth2025

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