top viewed 2021

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Jun 27, 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 & Outdoorsdietrob dunnantsspringtop2022picnicyour wild lifewildlifeoutsidefuntop 22 in 2022fallnutritionwinternorth carolinarob dunn labtop viewed 2021summerant picnicgirl scoutssummer reading 2021cookiesantdunn labnutrients

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfs_nasawisestarssolar systemnasa-sciactplanet ninenasa-supportedplanetsnasatop 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 & Outdoorsinsectscicadatop viewed 2021periodical cicadasinsectcicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencewatertop 22 in 2022healthtop viewed 2021pipestop2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfin whalemapwhale trackingphotographyocean-dwellingkiller whaleoceanswhale biologymarine mammalogyorcamigrationstorytellingdolphintrackminkeecology & environmentoceanrescuewhale migrationmarine mammalminke whalephoto identificationmammalcetaceansea mammalidentificationsea animalwhale watchorcaswhale watchingtop viewed 2021storiesconservationgpsunderwatercitizen sciencewhalefinphoto idstrandingwildlifehumpbacknon-invasivemammalsstoryanimalnature & outdoorsmappingtrackingwhalesphotoresearchhumpbackssea

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenagirl scoutsstar_mostop 22 in 2022top2022librarytop viewed 2021csm-featuredcsm2026light pollution

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 & Weathertop2022atmosphereweathernasa go_nasathe globe programearth2025top viewed 2021nasa-sciactnasa-supportedtop 22 in 2022appcsm-featuredcsm2025dust stormsgirl scoutscsm2026dustcloudsglobeclimatenasa

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021appec2020naturetop2022_mostop 22 in 2022insect populationsnaturalistgirl scoutsbiodiversityandroidcsm-featuredmuseumgardencsm2026librarytop viewed 2021iphone

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentfunneighborhoodlos angelestop viewed 2021radiocitizen science waterphotographycsm2025girl scoutstrees urban street forest mapsatellitessea level risesnowearth2025backyardresiliencenprcityjulia kumari drapkintreescsm-featuredfloodearth sciencejournalismsciencestoriestop2022marine environmentdroughtcitizen journalismtop 22 in 2022mappingcrowdsourcingbirdsbeachesearthurban heat islandmountainsweathercommunitynasa orbiting carbon observatoryclimate educationcarboncitizen sciencecoastal changepublic mediajet propulsion laboratoryheatmiamiclimatesensorsyale climate connectionsnasaremote sensingcommunity engagementnew orleansclimate changeclimate sciencewnycrainnew yorkurban heat

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationtrackercsm-featuredplastic pollutionocean pollutionnature & outdoorsgirl scoutslitterwaste managementtop viewed 2021debrisecology & environmentcsm2025marine debrisearth2025appcsm2026marine

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