top viewed 2021

within 25 miles

Feb 6, 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 & Outdoorsoutsidefunpicnicyour wild lifenutritionsummergirl scoutsantsrob dunn labcookiesrob dunndunn labantant picnicsummer reading 2021springnutrientstop2022winterdiettop viewed 2021north carolinatop 22 in 2022wildlifefall

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasanasa-supportedwise_nasatop viewed 2021nasa-sciactstarsplanet ninebrown dwarfsplanetssolar system

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 & Outdoorsinsectsinsectperiodical cicadascicadascicadatop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewatertop2022top 22 in 2022healthtop viewed 2021pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmarine mammalsea animalocean-dwellingphotographycetaceancitizen sciencestoriesoceansunderwaterresearchwhale trackingmappingphotonon-invasivetrackwhalerescuefinwhale migrationmapsea mammalstoryminkewhale biologynature & outdoorshumpbacksoceantop viewed 2021whale watchmigrationorcasstorytellingtrackingphoto identificationmammalkiller whalefin whalewildlifeminke whaleorcaecology & environmentwhale watchinggpsstrandingmarine mammalogyphoto idhumpbackdolphinseawhalesidentificationconservationanimalmammals

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022top viewed 2021librarytop 22 in 2022starlight pollutioncsm-featurednagirl scouts

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 Sciencenasa-supportedgirl scoutsnasa gotop2022earth2025globenasa-sciacttop viewed 2021_nasacloudstop 22 in 2022csm2025atmosphereappcsm-featureddustthe globe programclimatenasadust stormsweather

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentmuseumnaturalistinsect populationstop2022gardennaturelibraryiphonetop viewed 2021top 22 in 2022appgirl scoutsec2020csm-featuredandroidsummer reading 2021biodiversity

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentwnycsnowclimate sciencenprmiamibeachescarbonmountainslos angelesearth2025weathersensorsnasa orbiting carbon observatoryheattrees urban street forest maptop2022resiliencecityremote sensingrainclimate changenew orleansfunbackyardurban heaturban heat islandtreesfloodcitizen science wateryale climate connectionscoastal changeclimate educationcsm-featuredsatellitesjet propulsion laboratoryclimatecitizen journalismnasatop viewed 2021public mediamarine environmentradiocrowdsourcingsea level riseearthnew yorkcommunity engagementtop 22 in 2022communityjulia kumari drapkincsm2025neighborhoodjournalismearth sciencesciencecitizen sciencegirl scoutsmappingphotographybirdsdroughtstories

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationtop viewed 2021ocean pollutiondebrisappmarineearth2025trackerplastic pollutiongirl scoutscsm-featuredwaste managementcsm2025marine debrislitterecology & environmentnature & outdoors

Share Your Results

Share the list by copying the link below

Copy Link