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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
Jan 30, 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 Marineuc davisdristories in the snowalgaeleague to save lake tahoetruckeewater colortrashkeep tahoe bluelitterucdavistahoelake tahoetahoe environmental research centerdesert research institutewater quality
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherweatherhurricanecsm2025ec2020snowcoopertop 22 in 2022csm-featuredgirl scoutsclimatenational weather serviceprecipitationrainearth2025the crowd and the cloud_nasafood securitytop2022hail
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 & Outdoorshydrologycryosphere_nasaremote sensingnasamountainssnow
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 & Environmentnasa-sciactmicrobeantarticafjordphytotourismantarcticmeltwaterfjordsnasa-supportedmetagenomicsphytoplanktonwappolarglacial meltwatersnowmicrobesantarcticaice_nasaiaatocsm2025wintermetatranscriptomicsglaciersgenetics
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttrees urban street forest mapphotographyradiosnownasafloodcsm2025treesearth2025los angelesresiliencecoastal changestoriesclimate changesciencemarine environmentcitytop2022climatejulia kumari drapkinclimate educationclimate sciencesensorsrainearth scienceneighborhooddroughtsea level risejet propulsion laboratorycsm-featuredcitizen science watergirl scoutscarbonnew yorkmappingnprbirdscitizen journalismbackyardjournalismnasa orbiting carbon observatorycitizen scienceurban heat islandwnycsatellitesmountainscommunity engagementmiamiweatherfuntop viewed 2021yale climate connectionsearthnew orleanstop 22 in 2022beachesurban heatremote sensingpublic mediacrowdsourcingcommunityheat
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 Marinetechnologynasa-supportedrainhydrologyclimatesnow_nasaprecipitationweatherwaternasa-sciact
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsrainnational weather serviceiphoneprecipitationhailnoaaweatherclimate & weatherandroid
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineEcology & EnvironmentEducationsaltearth2025csm2025csm2026road saltwaterway
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