top viewed 2021

within 25 miles

Jan 13, 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 & Outdoorsspringpicnicnorth carolinatop viewed 2021summer reading 2021top2022wildlifefallrob dunndietantnutritioncookiessummertop 22 in 2022rob dunn labantsgirl scoutsfunwinteryour wild lifenutrientsant picnicoutsidedunn lab

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacewise_nasastarsplanet ninebrown dwarfsnasa-sciactnasa-supportedplanetstop viewed 2021solar systemnasa

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 & Outdoorsinsectperiodical cicadascicadainsectscicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop viewed 2021pipeshealthtop 22 in 2022top2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsminkehumpbacksphoto idwhale watchingwhale migrationminke whaleresearchcitizen sciencemammalsrescueoceankiller whalecetaceanmarine mammaltrackwhale watchsea animalocean-dwellingfinstoriesmapgpsnature & outdoorsecology & environmenttrackingmarine mammalogywhalemammaldolphinseaanimalstrandingnon-invasivestorytellingwhale biologyfin whaleoceansunderwaterorcawhale trackingidentificationwildlifephotohumpbackmappingphotographytop viewed 2021photo identificationorcasconservationsea mammalstorywhalesmigration

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenatop 22 in 2022csm-featuredtop2022light pollutionstartop viewed 2021girl scoutslibrary

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 Marine_nasatop viewed 2021climateglobetop 22 in 2022csm2025the globe programcsm-featurednasaatmospheredust stormsnasa-sciactdustnasa goearth2025appnasa-supportedgirl scoutstop2022cloudsweather

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentapplibrarymuseumsummer reading 2021biodiversityec2020insect populationstop viewed 2021androidnaturalisttop2022gardentop 22 in 2022naturecsm-featuredgirl scoutsiphone

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentjournalismbirdsbackyardnew orleansclimate sciencenasa orbiting carbon observatorycommunityyale climate connectionsmountainscitizen science waterdroughttop viewed 2021scienceheatsea level riseclimate changeweathergirl scoutsmiamicommunity engagementcsm2025treesurban heatphotographyearth2025rainnasatrees urban street forest mapearth sciencecsm-featuredsatellitessnowfuntop2022los angelesjet propulsion laboratorytop 22 in 2022julia kumari drapkincarbonradioclimate educationurban heat islandwnyccitynprstoriesnew yorkearthcoastal changeclimatecitizen sciencemappingremote sensingneighborhoodpublic mediamarine environmentcitizen journalismfloodbeachescrowdsourcingsensorsresilience

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationplastic pollutionlittertop viewed 2021csm2025marine debrisocean pollutiontrackergirl scoutswaste managementcsm-featuredecology & environmentnature & outdoorsmarinedebrisappearth2025

Share Your Results

Share the list by copying the link below

Copy Link