top viewed 2021

within 25 miles

Mar 27, 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 ScienceAgricultureFoodOcean Water MarineEcology & EnvironmentEducationInsects & PollinatorsNature & Outdoorsant picnicfallnutritionantsrob dunnsummer reading 2021top 22 in 2022cookiesyour wild lifegirl scoutswinteroutsidesummerwildlifetop viewed 2021top2022nutrientsnorth carolinafundietspringdunn labpicnicrob dunn labant

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar systembrown dwarfswiseplanet nine_nasanasa-sciactnasa-supportedstarstop viewed 2021nasaplanets

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 & Outdoorscicadainsectinsectsperiodical cicadascicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022top viewed 2021waterhealthtop 22 in 2022pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale biologymigrationorcamapphoto idphotoconservationecology & environmentkiller whalegpssea animalcitizen sciencemammalrescuewhale migrationidentificationstoryphoto identificationfin whalestoriesnature & outdoorsmarine mammalogydolphinoceanunderwaterwhalemappinganimalseatop viewed 2021strandingstorytellingminke whaleocean-dwellingorcastrackmammalswhale watchnon-invasiveminkehumpbackswhale trackingwildlifephotographytrackingwhalescetaceanfinmarine mammaloceanshumpbackresearchwhale watchingsea mammal

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop 22 in 2022csm2026stargirl scoutstop2022light pollutionlibrarynatop viewed 2021csm-featured

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spacegirl scoutsglobeearth2025cloudsnasa-supportedtop viewed 2021nasa-sciactdust stormsweatheratmospherecsm2025nasa_nasaclimatedustcsm-featuredtop 22 in 2022apptop2022csm2026nasa gothe globe program

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentgirl scoutsnaturalisttop viewed 2021insect populationsappiphonebiodiversityec2020museumtop 22 in 2022naturesummer reading 2021csm2026librarygardenandroidtop2022csm-featured

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcitizen science waterlos angelesnasa orbiting carbon observatoryradiocarbonearth2025urban heat islanddroughtheatmiamitreescoastal changeclimatenprgirl scoutssnowmountainsfunbackyardphotographyearthcityneighborhoodcsm2025birdsfloodjournalismclimate educationpublic mediawnycurban heatraintop 22 in 2022nasatop2022weathercommunity engagementbeachesstoriessea level risetop viewed 2021resiliencecsm-featuredcitizen sciencejulia kumari drapkinsatellitesearth sciencenew orleansjet propulsion laboratorycrowdsourcingyale climate connectionsmappingtrees urban street forest mapsensorsremote sensingcommunitysciencecitizen journalismmarine environmentnew yorkclimate changeclimate science

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationecology & environmentnature & outdoorsmarinetrackerearth2025ocean pollutiontop viewed 2021littercsm-featuredmarine debriscsm2025debrisgirl scoutswaste managementcsm2026appplastic pollution

Share Your Results

Share the list by copying the link below

Copy Link