top viewed 2021

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Nov 10, 2025

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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 MarineFoodAgriculturewildlifecookiesrob dunn labrob dunntop viewed 2021antstop 22 in 2022north carolinafalloutsidenutritionantsummer reading 2021picnicfungirl scoutsnutrientsant picnicdietsummerspringyour wild lifedunn labwintertop2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar systembrown dwarfstop viewed 2021planet ninenasastars_nasaplanetswisenasa-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 & Outdoorscicadascicadaperiodical cicadasinsecttop viewed 2021insects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022watertop2022top viewed 2021pipeshealth

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhalesidentificationphoto identificationphotographyorcaskiller whalewhale watchingorcaunderwatermigrationstorytellingstrandingstorywhale migrationanimaldolphinmaprescuefin whalewhale biologywhale trackingcetaceanmammalnon-invasivegpsmappingecology & environmentconservationwhaleminke whaleoceansocean-dwellingwhale watchmammalssea animaloceanminkewildlifefinmarine mammalogysea mammalseaphoto idtrackingresearchnature & outdoorstrackcitizen sciencetop viewed 2021humpbacksstoriesphotomarine mammalhumpback

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacestartop2022nalight pollutionlibrarytop 22 in 2022top viewed 2021girl scoutscsm-featured

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 Marineglobenasanasa goclimatecloudstop2022the globe program_nasatop 22 in 2022dust stormsearth2025csm2025weathernasa-sciactatmospherenasa-supportedgirl scoutstop viewed 2021dustcsm-featuredapp

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021top 22 in 2022biodiversityiphoneinsect populationstop viewed 2021ec2020naturalistcsm-featuredmuseumtop2022librarygirl scoutsnaturegardenappandroid

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmarine environmentmiamiearth2025beachespublic mediaheattrees urban street forest mapcsm2025funsnowmappingtop2022top viewed 2021new yorktreessatellitesneighborhoodmountainsurban heat islandweathernasacitizen journalismbackyardcarboncitizen sciencesea level riseclimatenasa orbiting carbon observatorysciencejulia kumari drapkinnew orleanstop 22 in 2022community engagementdroughtclimate changefloodjournalismclimate scienceurban heatcommunitycrowdsourcingcoastal changeclimate educationwnycsensorscitizen science watercsm-featuredrainyale climate connectionsearthnprradiolos angelesgirl scoutsearth scienceremote sensingcityjet propulsion laboratorybirdsphotographystoriesresilience

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationgirl scoutsnature & outdoorsocean pollutionwaste managementdebriscsm-featuredmarine debrislittertrackermarineecology & environmentearth2025appplastic pollutiontop viewed 2021csm2025

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