top viewed 2021

within 25 miles

Dec 10, 2025

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 & Outdoorsnutritionspringgirl scoutspicnicnorth carolinafalldunn labfundietwinterantant picnicyour wild lifesummeroutsidecookiestop viewed 2021antsrob dunntop2022top 22 in 2022rob dunn labsummer reading 2021wildlifenutrients

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasatop viewed 2021_nasaplanetsnasa-supportedplanet ninesolar systembrown dwarfsstarsnasa-sciactwise

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 & Outdoorscicadaperiodical cicadascicadasinsectstop viewed 2021insect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipeshealthtop2022top 22 in 2022top viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorssea animalmammalwildlifetrackfin whalestorytellingminkephotographyecology & environmentfinnature & outdoorsoceansmarine mammalrescuekiller whalecitizen sciencewhalestrandingseaminke whalewhale watchwhale trackingnon-invasivegpsphototop viewed 2021mappingmarine mammalogystoriesorcawhaleswhale watchingresearchwhale migrationtrackingmigrationwhale biologycetaceanphoto identificationdolphinhumpbacksphoto idanimalidentificationmammalsunderwatermaphumpbackconservationsea mammaloceanocean-dwellingstoryorcas

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop 22 in 2022top viewed 2021girl scoutsnatop2022csm-featuredlight pollutionstarlibrary

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 Marineatmosphereweatherthe globe programcsm-featurednasa-sciactgirl scoutsdust stormsdustclimatecsm2025cloudsnasa-supportedearth2025top 22 in 2022top viewed 2021globe_nasanasatop2022nasa goapp

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentgardenmuseumtop viewed 2021naturalisttop2022insect populationsappsummer reading 2021girl scoutscsm-featuredbiodiversitynaturetop 22 in 2022ec2020iphonelibraryandroid

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentfuntrees urban street forest mapclimate changebackyardearthsciencenew orleansmountainsresiliencebirdslos angelesurban heatmappingclimate educationcommunity engagementgirl scoutssatellitesmiaminasa orbiting carbon observatoryrainfloodyale climate connectionsjet propulsion laboratorysea level riseneighborhoodjulia kumari drapkinclimate scienceradioweathermarine environmentsnowremote sensingcitizen sciencenew yorkcsm-featuredheattreescoastal changeearth2025sensorspublic mediastoriesbeachescsm2025climatejournalismcarbonearth sciencecitizen science waternasacitynprtop2022communitycrowdsourcingtop viewed 2021photographydroughtwnycurban heat islandcitizen journalismtop 22 in 2022

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationplastic pollutionlittermarinenature & outdoorsearth2025girl scoutscsm2025csm-featuredtrackerecology & environmentwaste managementdebristop viewed 2021marine debrisappocean pollution

Share Your Results

Share the list by copying the link below

Copy Link