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Big Cat Falls
Lions and tigers, oh my. Here you’ll find our family of large and endangered cats from around the world.
Philadelphia, Pennsylvania
- Ongoing
ExhibitionAnimalsEcology & Environment
snow
within 25 miles
Nov 7, 2026
18 opportunities found! use fewer search filter criteria to find more opportunities
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UC Davis Tahoe Environmental Research Center
Citizen Science Tahoe
Collect observations on water, algae, and litter around Lake Tahoe.
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherEcology & EnvironmentGeology & Earth ScienceNature & OutdoorsOcean Water Marineleague to save lake tahoekeep tahoe bluelake tahoewater qualityuc davistahoe environmental research centerucdavistahoedesert research institutewater colorstories in the snowtrashalgaedritruckeelitter
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherthe crowd and the cloudfood securityrain gaugerainnational weather serviceearth2025cooperec2020hailgirl scoutstop2022top 22 in 2022snow_nasacsm2025csm2026csm-featuredhurricane
The Community Collaborative Rain, Hail and Snow Network.
Community Collaborative Rain, Hail and Snow Network of Maine
Gray Maine
- Ongoing
Citizen ScienceGeneral ScienceCitizen Science
NASA
Community Snow Observations
To improve temporal and spatial snow depth data coverage.
Anywhere
- Ongoing
Citizen ScienceOcean Water MarineEducationGeology & Earth ScienceClimate & WeatherGeographyComputers & TechnologyEcology & EnvironmentNature & Outdoorscryospheresnowhydrologymountainsnasa-supported_nasanasaremote sensing
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentnasa orbiting carbon observatoryfunsnowcarboncoastal changebackyardcitizen journalismstoriesradiomiamicitizen scienceearth2025public mediacrowdsourcingphotographytreeswnycmountainsearth scienceurban heatjet propulsion laboratorysea level riseneighborhoodtop2022mappingurban heat islandgirl scoutstrees urban street forest mapnprnew orleanscsm2025marine environmentnasaclimatebeachesresilienceheatsensorsclimate scienceyale climate connectionscityfloodclimate changecitizen science waterbirdsnew yorktop viewed 2021sciencecommunity engagementjulia kumari drapkinclimate educationtop 22 in 2022csm-featuredsatellitesearthweatherlos angelesjournalismcommunitydroughtremote sensingrain
Lynker and DRI / NASA
Mountain Rain or Snow
Our goal is to improve scientists’ understanding of winter precipitation.
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherEcology & EnvironmentOcean Water Marinehydrologyrainprecipitationtechnologyclimatenasa-supportedweather_nasasnowwaternasa-sciact
Catawba Science Center
NC Science Trail: PJ's in the Planetarium- A Holiday Adventure
Put on your coziest pajamas and join us for a holiday adventure under the stars! Enjoy a winter-themed planetarium show, join a fun snow activity, and end your visit with a sweet treat. It’s the perfect way to celebrate the season’s magic at Catawba Science Center!
243 3rd Ave NE, HICKORY, NC, 28603, US
- December 12, 2026 at 2:00 PM through 3:00 PM
Catawba Science CenterHICKORYnorth carolinastaging.ncsciencetrail.comscience trail
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorshailclimate & weatheriphoneandroidrainnoaanational weather serviceprecipitationweather
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationcsm2025waterwayearth2025road saltcsm2026salt
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