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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
Jul 30, 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 Marinedesert research institutelake tahoelitteralgaeucdavistahoetruckeewater colortahoe environmental research centerstories in the snowkeep tahoe blueuc davistrashwater qualityleague to save lake tahoedri
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherfood securitycsm2026weathertop 22 in 2022top2022csm-featuredcsm2025snowcooperclimateec2020earth2025rainprecipitationnational weather servicehurricanehailgirl scoutsthe crowd and the cloud_nasa
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 & Outdoors_nasanasasnowremote sensingmountainsnasa-supportedcryospherehydrology
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentphotographystoriestop2022climate educationheatwnyccitydroughtweatherclimate scienceurban heatbirdsmappingnprbeachessea level riseradiosnowjournalismjulia kumari drapkinnasa orbiting carbon observatorycoastal changepublic mediarainfloodtop viewed 2021community engagementneighborhoodurban heat islandyale climate connectionscsm2025citizen journalismcitizen sciencejet propulsion laboratorytop 22 in 2022sciencecitizen science watertrees urban street forest mapmountainsgirl scoutsnew yorkcrowdsourcingcsm-featurednasafunclimate changelos angelesearth sciencesatellitesearthclimateresiliencetreesnew orleansmarine environmentbackyardmiamicommunitysensorsearth2025carbonremote sensing
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 Marineclimatetechnologyrainweatherwaternasa-supportedprecipitation_nasahydrologysnownasa-sciact
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsnational weather servicehailrainweatherclimate & weathernoaaprecipitationiphoneandroid
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationroad saltcsm2025waterwayearth2025saltcsm2026
SkNOWLEDGE COLLECTIVE
Science, math (& more!) outdoors, one snowball at a time ❄!
Anywhere
- Ongoing
Citizen ScienceGeographyClimate & WeatherEducationmathmeteorological dataclimatemeteorologicalsciencegisoutdoor field-based activitiessnowoutdoorstemperatureweatherearth observationenvironmentwater resourcesenvironment educationhydrological
climate changesnow depthschool-based citizen science initiativesnow wetness
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