top viewed 2021

within 25 miles

May 20, 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 MarineFoodAgriculturetop 22 in 2022girl scoutsrob dunn labtop viewed 2021nutrientsantcookiesyour wild lifeant picnicpicnicsummer reading 2021north carolinadunn labrob dunnwinterantsfalltop2022funnutritionwildlifespringdietoutsidesummer

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanetsbrown dwarfssolar systemnasa-supportedstarsplanet nine_nasawisenasa-sciactnasatop 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 & Outdoorscicadastop viewed 2021insectscicadainsectperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop viewed 2021top2022pipestop 22 in 2022health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsnature & outdoorssea mammalmarine mammalogyidentificationmammalphoto identificationresearchmarine mammalwhale biologyorcatop viewed 2021underwaterorcaswhale watchingstorytellingocean-dwellingwhale trackingmammalswildlifeminketrackingnon-invasiveconservationmigrationgpswhale migrationstoryminke whalefinmappingphoto idmaphumpbacksea animalhumpbacksphotographyanimalrescueoceanwhalewhalescetaceanstorieskiller whalestrandingdolphinphotoseawhale watchtrackecology & environmentcitizen sciencefin whaleoceans

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutsstartop 22 in 2022library_mostop2022light pollutioncsm-featurednatop viewed 2021csm2026

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 & Weatherdust stormscloudsnasa goweatherearth2025top viewed 2021_nasacsm2025apptop2022globecsm-featuredgirl scoutsclimatenasa-sciactnasa-supportedcsm2026top 22 in 2022nasathe globe programdustatmosphere

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinetop viewed 2021csm2026museumnaturalistgardennatureandroidinsect populations_mossummer reading 2021librarybiodiversitytop 22 in 2022csm-featuredec2020top2022appiphonegirl scouts

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentearthnasa orbiting carbon observatoryphotographypublic mediatop viewed 2021climate changejulia kumari drapkintop2022urban heat islandlos angelesjournalismearth2025floodtrees urban street forest mapcitizen science watersciencenew yorkstoriessnowbackyardbirdssea level risetreesdroughtremote sensingraincrowdsourcingurban heatclimateweathermarine environmentwnyccommunity engagementcitizen sciencecoastal changegirl scoutscsm-featurednprsatellitescitizen journalismradionew orleansclimate educationheatcommunityearth sciencebeachessensorsmountainsfuncitynasaneighborhoodcarbonresilienceclimate scienceyale climate connectionsmappingtop 22 in 2022csm2025jet propulsion laboratorymiami

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationwaste managementgirl scoutsecology & environmentplastic pollutionearth2025littermarine debriscsm-featureddebrisappcsm2026marinetrackertop viewed 2021ocean pollutioncsm2025nature & outdoors

Share Your Results

Share the list by copying the link below

Copy Link