top viewed 2021

within 25 miles

Oct 27, 2025

Near

Distance

From

Until

18 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 MarineFoodAgriculturegirl scoutsant picnicrob dunn labdietantyour wild lifenutrientsrob dunntop 22 in 2022fallwintersummerdunn labnutritioncookiesnorth carolinafunwildlifetop2022springsummer reading 2021top viewed 2021picnicantsoutside

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanetsnasatop viewed 2021brown dwarfsstarsnasa-sciactwisesolar systemplanet nine_nasa

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 & Outdoorscicadascicadainsecttop viewed 2021periodical cicadasinsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021healthwatertop2022top 22 in 2022pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmarine mammalmappingseacitizen sciencewhale watchingwhale trackingrescuewhale biologysea mammalwhale migrationidentificationsea animalmigrationmapwhaleunderwaterwhalesnon-invasiveminkewildlifehumpbackmammalsstoriesdolphinfin whaleanimalmammalocean-dwellingorcawhale watchresearchphotographymarine mammalogyconservationgpstracktrackingphoto identificationtop viewed 2021humpbacksphotocetaceanstrandingecology & environmentstoryfinorcasnature & outdoorsstorytellingoceankiller whaleminke whalephoto idoceans

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenagirl scoutslibrarytop2022starlight pollutiontop 22 in 2022csm-featuredtop viewed 2021

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 Marinecsm-featurednasaweatherappdust stormsthe globe programcloudstop 22 in 2022earth2025nasa gogirl scoutstop viewed 2021csm2025top2022atmosphereclimateglobedust_nasanasa-sciact

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyOcean Water MarineAnimalsNature & OutdoorsInsects & Pollinatorstop2022librarybiodiversitytop viewed 2021museumtop 22 in 2022ec2020appnaturalistiphonegirl scoutsnaturegardensummer reading 2021csm-featuredandroidinsect populations

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcitizen journalismmiamisatellitesmountainsnprdroughtfloodclimate educationtrees urban street forest mappublic mediatop2022cityyale climate connectionsnasaclimate sciencetreesweatherjulia kumari drapkinlos angelescommunityearth scienceurban heaturban heat islandmappingmarine environmentnew yorkcitizen scienceclimate changesensorsbeachesphotographycarbonneighborhoodcrowdsourcingcitizen science watersciencecoastal changejournalismnew orleanscommunity engagementjet propulsion laboratoryearth2025rainstoriesbirdsresiliencetop viewed 2021nasa orbiting carbon observatorycsm2025climateheatbackyardtop 22 in 2022csm-featuredgirl scoutsfunearthremote sensingwnycradiosnowsea level rise

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationmarine debrisappocean pollutiontrackercsm-featuredmarineplastic pollutionnature & outdoorslittercsm2025top viewed 2021earth2025waste managementdebrisgirl scoutsecology & environment

Share Your Results

Share the list by copying the link below

Copy Link