top viewed 2021

within 25 miles

Mar 15, 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 & Outdoorsnutritionrob dunn labgirl scoutsrob dunntop 22 in 2022cookieswildlifeantsfallpicnicoutsidetop2022nutrientswintersummer reading 2021your wild lifenorth carolinafunsummerantant picnicspringdunn labdiettop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasasolar systemnasaplanetsplanet ninewisebrown dwarfsnasa-sciacttop viewed 2021nasa-supportedstars

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 & Outdoorstop viewed 2021periodical cicadascicadascicadainsectsinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop2022healthtop 22 in 2022top viewed 2021pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmigrationconservationkiller whalephotominke whalephoto idorcasecology & environmentwhale watchstoryresearchhumpbackswhale trackingmappingwildlifecetaceancitizen scienceidentificationstorieswhalestorytellingfinsea animalnature & outdoorsmarine mammalogydolphinunderwaterhumpbacksea mammalmarine mammalmapsearescuephotographytrackingwhalesocean-dwellingwhale migrationorcastrandingtop viewed 2021gpswhale biologyphoto identificationwhale watchingmammalsoceansnon-invasiveminketrackoceanmammalfin whaleanimal

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutstop 22 in 2022starcsm-featuredtop2022top viewed 2021light pollutionnalibrary

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencedustnasacsm-featuredtop viewed 2021_nasanasa gonasa-supporteddust stormstop2022cloudsthe globe programgirl scoutsclimatecsm2025globeatmosphereweatherapptop 22 in 2022nasa-sciactearth2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinemuseumiphonegirl scoutsinsect populationstop viewed 2021androidnaturegardenappbiodiversitynaturalisttop2022csm-featuredlibraryec2020summer reading 2021top 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsnowcityneighborhoodjournalismsatellitesearthphotographyurban heatnprcsm2025citizen science waterclimate changecitizen journalismheatmappingearth sciencebackyardjulia kumari drapkintop2022droughtmarine environmentnew orleansnasacommunity engagementmountainsgirl scoutscoastal changeremote sensingresiliencecarbonnew yorkwnycbeachescitizen sciencetrees urban street forest maptop viewed 2021floodlos angelesnasa orbiting carbon observatoryrainyale climate connectionsclimate educationcsm-featuredsea level risecrowdsourcingcommunitybirdstop 22 in 2022weatherjet propulsion laboratoryfunsciencetreesstoriessensorsclimate scienceradioearth2025urban heat islandclimatemiamipublic media

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationlittertrackerwaste managementcsm-featuredappecology & environmentearth2025ocean pollutionmarinemarine debrisgirl scoutscsm2025top viewed 2021nature & outdoorsplastic pollutiondebris

Share Your Results

Share the list by copying the link below

Copy Link