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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
Oct 28, 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 Marinekeep tahoe bluedriucdavistahoestories in the snowwater colorleague to save lake tahoewater qualitytrashdesert research institutelake tahoetruckeetahoe environmental research centeruc davislitteralgae
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherrain gaugenational weather serviceearth2025top2022hurricanecsm2026snowgirl scoutscsm2025hail_nasaec2020food securitycsm-featuredtop 22 in 2022rainthe crowd and the cloudcooper
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 & Outdoorsnasacryosphereremote sensingnasa-supported_nasahydrologysnowmountains
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmiamicsm-featuredearth sciencewnycremote sensingcarbonmountainsstoriesmarine environmentfloodurban heatcityradioclimate sciencenpryale climate connectionslos angelesnew orleansgirl scoutscommunityjournalismweatherearthtop2022climatesciencetop 22 in 2022nasa orbiting carbon observatorydroughtneighborhoodcoastal changeearth2025treescommunity engagementjulia kumari drapkinpublic mediatop viewed 2021csm2025funsea level risenew yorkcitizen science waterraincrowdsourcingcitizen scienceheatbeachesclimate changenasajet propulsion laboratorycitizen journalismbirdsmappingclimate educationurban heat islandtrees urban street forest mapphotographyresiliencesatellitesbackyardsnowsensors
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 Marine_nasaweathersnowwaterrainclimatehydrologynasa-sciactnasa-supportedtechnologyprecipitation
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsiphonenational weather servicerainhailandroidweathernoaaclimate & weatherprecipitation
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationearth2025road saltcsm2025csm2026saltwaterway
SkNOWLEDGE COLLECTIVE
Science, math (& more!) outdoors, one snowball at a time ❄!
Anywhere
- Ongoing
Citizen ScienceGeographyClimate & WeatherEducationsnow depthearth observationmeteorologicalhydrological
outdoorsenvironment educationclimate changegismathenvironmentsnow wetnesstemperatureschool-based citizen science initiativeclimatesciencewater resourcessnowmeteorological dataoutdoor field-based activitiesweather
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