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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
Apr 11, 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 Marinewater colortruckeestories in the snowucdavistahoealgaelake tahoetrashkeep tahoe bluelittertahoe environmental research centeruc davisdriwater qualitydesert research instituteleague to save lake tahoe
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weathercsm-featured_nasacoopertop 22 in 2022raincsm2025ec2020earth2025national weather servicehurricanehailtop2022the crowd and the cloudclimategirl scoutsweatherfood securityprecipitationsnowcsm2026
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 & Outdoorsnasahydrologymountains_nasaremote sensingcryospheresnow
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 & Environmenttourismmeltwatermetatranscriptomicsnasa-sciact_nasaphytoplanktonantarcticafjordphytonasa-supportedcsm2025wapiaatogeneticsglacial meltwatermicrobefjordsmetagenomicsglaciersicepolarwintersnowantarcticantarticamicrobes
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentwnyctop2022csm-featuredclimate changecsm2025community engagementsatellitespublic mediarainyale climate connectionsjournalismsensorssciencenasamarine environmentbeachescitizen journalismweathercitizen sciencenasa orbiting carbon observatoryfunmappingsnowdroughtbackyardneighborhoodclimate educationcoastal changemiaminew yorknew orleansheatearth2025climate sciencejulia kumari drapkinearthcitylos angelescitizen science waterradiotop 22 in 2022resiliencecarbonurban heatremote sensingfloodsea level risetreestop viewed 2021nprphotographyclimatecrowdsourcingcommunityurban heat islandjet propulsion laboratorygirl scoutsmountainsbirdsearth sciencetrees urban street forest mapstories
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 Marinesnowtechnologywaterclimatenasa-supportedprecipitationweatherhydrology_nasanasa-sciactrain
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsandroidclimate & weathernoaaprecipitationrainhailweatheriphonenational weather service
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationcsm2026road saltcsm2025saltwaterwayearth2025
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