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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
Feb 22, 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 Marinestories in the snowlitterleague to save lake tahoeuc davisdridesert research institutelake tahoewater qualityucdavistahoetrashwater colortahoe environmental research centerkeep tahoe bluealgaetruckee
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherhurricanethe crowd and the cloudearth2025weatherhailec2020snownational weather servicecsm-featuredcoopergirl scoutstop 22 in 2022climateraincsm2025precipitation_nasafood securitytop2022
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 & Outdoorscryosphereremote sensingsnow_nasanasamountainshydrology
Scripps Institution of Oceanography and Universidad Nacional de La Plata
Fjord Phyto
Monitor phytoplankton species diversity along the Arctic and Antarctic coast
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineBiologyEcology & Environment_nasatourismcsm2025geneticsglacial meltwaterglacierswapmicrobeantarcticafjordsphytoplanktonpolarmetagenomicsiaatoantarticamicrobesnasa-supportedicenasa-sciactantarcticsnowmeltwatermetatranscriptomicsfjordphytowinter
Charlotte Amateur Astronomers Club
GHRO Telescope Training
GHRO SC
- February 28, 2026 at 10:00 PM through 10:00 PM
CommunityAstronomy & Space
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentnew orleanscsm-featuredurban heatfuntreescitizen journalismmarine environmentsatellitescarbonradiodroughtclimate educationneighborhoodphotographynprcoastal changeclimate sciencegirl scoutsnasa orbiting carbon observatorywnyctop2022community engagementjet propulsion laboratoryjulia kumari drapkinbirdsrainremote sensingfloodearth sciencepublic mediaheatstoriescitizen science waterjournalismsciencesnowbeachesurban heat islandbackyardtop viewed 2021los angelescrowdsourcingcsm2025mountainsmiamiyale climate connectionsearth2025nasaweathermappingclimate changetop 22 in 2022citysea level risesensorscitizen sciencecommunitynew yorkearthclimateresiliencetrees urban street forest map
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 Marinerainprecipitationweatherclimatenasa-supportedtechnologynasa-sciactsnowhydrologywater_nasa
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsandroidnoaaweatherclimate & weatherprecipitationnational weather serviceiphonerainhail
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