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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
Aug 26, 2026
16 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 Marinealgaeleague to save lake tahoewater coloruc davisstories in the snowdritruckeedesert research institutetrashwater qualitytahoe environmental research centerlake tahoeucdavistahoelitterkeep tahoe blue
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherclimatetop 22 in 2022the crowd and the cloud_nasacsm2025csm-featuredec2020national weather servicerainprecipitationweathercsm2026cooperfood securityhailhurricanetop2022girl scoutsearth2025snow
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 & Outdoorscryospherenasa-supportednasahydrology_nasamountainsremote sensingsnow
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbeachescommunityearth sciencelos angelesnasa orbiting carbon observatorytop 22 in 2022yale climate connectionsbirdssea level riseclimate sciencecitycrowdsourcingfuntreesnprpublic medianasajournalismurban heat islandsatellitesphotographyurban heatcsm-featuredearth2025citizen science watercitizen journalismjulia kumari drapkinsensorsmountainstop viewed 2021trees urban street forest mapradioresilienceremote sensingweathercoastal changestoriesfloodclimate educationnew yorkcarbonjet propulsion laboratorysciencecitizen sciencecommunity engagementbackyardmarine environmenttop2022neighborhoodrainheatearthgirl scoutscsm2025mappingdroughtwnycsnownew orleansclimateclimate changemiami
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 Marineprecipitationwater_nasaclimatenasa-sciactsnowtechnologyhydrologyrainweathernasa-supported
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsclimate & weathernoaaprecipitationnational weather serviceweatheriphoneandroidhailrain
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationearth2025saltroad saltcsm2026csm2025waterway
SkNOWLEDGE COLLECTIVE
Science, math (& more!) outdoors, one snowball at a time ❄!
Anywhere
- Ongoing
Citizen ScienceGeographyClimate & WeatherEducationweathertemperaturemeteorologicalsnowsnow wetnesswater resourcesmeteorological dataclimateoutdoor field-based activitiesoutdoorsmathenvironmentenvironment educationearth observationgisclimate changeschool-based citizen science initiativesnow depthhydrological
science
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