top viewed 2021

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Mar 13, 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 & Outdoorsantpicnicantsnutritionrob dunntop viewed 2021summerdunn labtop 22 in 2022rob dunn labfallwildlifeant picnicwintertop2022funsummer reading 2021cookiesdietnorth carolinagirl scoutsyour wild lifespringoutsidenutrients

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasatop viewed 2021nasa-sciactplanet ninenasa-supportedplanetsbrown dwarfswisesolar system_nasastars

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 & Outdoorsinsectsperiodical cicadascicadacicadastop viewed 2021insect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipeswatertop2022healthtop 22 in 2022top viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfin whalephoto identificationseamigrationhumpbackwhale biologyphotographystrandingdolphinmammalsmarine mammalnon-invasivewhalemammalwhale migrationkiller whaleocean-dwellingmapconservationwhale watchinggpsminkeresearchhumpbacksoceanorcatracksea mammalcitizen scienceorcaswhale trackingstorytellingrescuewildlifestoryfinmappingidentificationphotostoriesoceanstop viewed 2021cetaceanphoto idnature & outdoorswhale watchtrackingunderwaterecology & environmentsea animalwhalesanimalminke whalemarine mammalogy

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022top2022top viewed 2021csm-featuredgirl scoutslight pollutionlibrarystarna

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencenasa-supportednasa gonasagirl scoutsthe globe programtop2022dusttop 22 in 2022atmosphereglobecloudsdust stormsclimatenasa-sciactcsm2025csm-featured_nasaweatherapptop viewed 2021earth2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marineiphonecsm-featuredgirl scoutsnaturalistec2020librarytop viewed 2021natureappandroidgardenbiodiversitymuseumtop2022insect populationssummer reading 2021top 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenturban heat islandbackyardcoastal changecommunitygirl scoutsearthjet propulsion laboratoryearth2025mappingmiamiurban heatclimate changebeachescitizen sciencefloodcsm2025rainremote sensingnew orleansheatnasasatellitesmountainsbirdscommunity engagementtop viewed 2021radioclimatetrees urban street forest mapcsm-featurednasa orbiting carbon observatoryjournalismjulia kumari drapkinclimate scienceresiliencetop2022earth sciencesnowcarbonpublic mediatop 22 in 2022citydroughtsciencetreesmarine environmentneighborhoodweathercitizen journalismnew yorkyale climate connectionslos angelescitizen science watersensorsclimate educationcrowdsourcingphotographyfunsea level risestorieswnycnpr

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationcsm-featuredecology & environmentgirl scoutsearth2025top viewed 2021csm2025nature & outdoorsmarineplastic pollutiontrackerwaste managementmarine debrisappdebrisocean pollutionlitter

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