top viewed 2021

within 25 miles

Jan 28, 2026

Near

Distance

From

Until

19 opportunities found! use fewer search filter criteria to find more opportunities

Filters

Activity Type

Age

Kids Friendly Only

21+ Only

Participant Age Range Minimum

100

Participant Age Range Maximum

100

Cost

Any Cost Free Only

Topic

Venue Type

Host Organization

Partner Organization

Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & PollinatorsEducationEcology & EnvironmentOcean Water MarineFoodAgriculturesummercookieswildlifenorth carolinatop2022dietfunpicnicrob dunntop viewed 2021your wild lifespringtop 22 in 2022outsideantgirl scoutsnutritionant picnicfallrob dunn labsummer reading 2021nutrientsantswinterdunn lab

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar systemnasaplanet ninebrown dwarfsnasa-sciactnasa-supportedtop viewed 2021_nasawiseplanetsstars

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 & Outdoorscicadasinsectsinsecttop viewed 2021periodical cicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipeshealthtop viewed 2021top2022top 22 in 2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsphotominke whalephoto identificationwhale trackingoceananimalkiller whalewildlifegpsmammalsnature & outdoorssea mammaloceansfinunderwaterconservationdolphinwhale migrationresearchmappingmigrationphotographysea animaltop viewed 2021mapwhalewhale watchingecology & environmentwhale watchwhalesminkefin whalenon-invasivecitizen sciencemarine mammalstorytellingrescuemammalwhale biologyphoto idorcaocean-dwellingcetaceanhumpbacksidentificationstoriestrackhumpbackstorystrandingmarine mammalogyorcasseatracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacestargirl scoutslight pollutiontop2022csm-featurednalibrarytop viewed 2021top 22 in 2022

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 Marinetop viewed 2021girl scoutscsm2025top2022nasa-sciactclimatecloudsnasadust stormsnasa-supportedcsm-featureddustnasa goappearth2025_nasaglobetop 22 in 2022weatherthe globe programatmosphere

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinegirl scoutsnatureandroidtop2022museumec2020biodiversitygardenappsummer reading 2021iphonetop viewed 2021csm-featuredinsect populationsnaturalisttop 22 in 2022library

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbirdsheatbeachesnasaurban heatlos angelesclimate changegirl scoutsremote sensingcsm-featuredclimate sciencefunsensorswnyccsm2025top 22 in 2022communityclimate educationtrees urban street forest maptop viewed 2021neighborhoodclimatemappingjulia kumari drapkinstoriesjet propulsion laboratorycommunity engagementmountainspublic mediaraincitizen science waterfloodtreesyale climate connectionssatellitescitizen journalismcitizen sciencecoastal changenasa orbiting carbon observatorymiamiweathercrowdsourcingurban heat islandscienceearthcarbonnprearth sciencedroughtjournalismbackyardnew yorkphotographysnowradiosea level risecityresiliencemarine environmentnew orleanstop2022earth2025

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationwaste managementgirl scoutsdebristop viewed 2021csm-featuredappmarine debristrackermarineecology & environmentearth2025plastic pollutionocean pollutioncsm2025nature & outdoorslitter

Share Your Results

Share the list by copying the link below

Copy Link