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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
Jun 17, 2026
17 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 Marinelitterwater colorlake tahoedesert research institutekeep tahoe blueleague to save lake tahoeuc daviswater qualitystories in the snowalgaedriucdavistahoetahoe environmental research centertrashtruckee
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weather_nasaweathernational weather servicefood securitycooperrainprecipitationcsm2025hailhurricaneec2020top 22 in 2022csm2026girl scoutsearth2025climatecsm-featuredtop2022the crowd and the cloudsnow
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 & Outdoorsremote sensingcryosphere_nasasnowhydrologynasamountains
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 & Environmentphytoplanktonfjordsglaciersfjordphytonasa-sciacticeantarcticamicrobemeltwatergeneticspolarmicrobescsm2025glacial meltwatertourismantarticawapmetatranscriptomicswintersnowmetagenomicsnasa-supportediaatoantarctic_nasa
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop viewed 2021sciencegirl scoutssensorsstoriesearthclimate scienceearth2025mappingbackyardnasa orbiting carbon observatoryremote sensingbirdssnowmountainsresiliencecitizen journalismcitizen science watercarboncsm-featurednew orleansrainweatherradiophotographypublic mediaurban heatneighborhoodjournalismcoastal changefunfloodtreesnew yorksea level risewnyctop 22 in 2022jet propulsion laboratoryjulia kumari drapkintrees urban street forest mapnprearth scienceclimate changedroughtclimate educationcommunitytop2022nasacrowdsourcinglos angelesurban heat islandmiamimarine environmentcsm2025citizen scienceheatcommunity engagementbeachessatellitescityyale climate connectionsclimate
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 Marineweathersnowclimateprecipitationtechnologyhydrologywaternasa-supportedrain_nasanasa-sciact
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsclimate & weathernational weather serviceandroidrainhailiphoneprecipitationweathernoaa
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationcsm2025road saltsaltwaterwayearth2025csm2026
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