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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
Sep 13, 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 Marinetahoe environmental research centerwater qualitystories in the snowtrashkeep tahoe bluewater colordesert research instituteuc davisleague to save lake tahoealgaelittertruckeedriucdavistahoelake tahoe
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherprecipitation_nasagirl scoutscooperfood securityec2020hailnational weather serviceweathertop2022hurricanecsm-featuredearth2025top 22 in 2022rainsnowthe crowd and the cloudcsm2026csm2025climate
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_nasamountainsnasa-supportedremote sensingnasacryospheresnowhydrology
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop2022climate educationsea level risesciencebirdsnasa orbiting carbon observatorycoastal changephotographycityclimatejet propulsion laboratoryweathercommunitycsm2025marine environmentmappingpublic mediacitizen scienceclimate sciencecitizen science waternew yorkcarbonbeachesnew orleansbackyardjournalismfunnprsensorsdroughtearthtrees urban street forest maptop viewed 2021snowwnycurban heatclimate changeradiojulia kumari drapkinurban heat islandtop 22 in 2022floodneighborhoodcommunity engagementresiliencenasacsm-featuredcitizen journalismheatgirl scoutslos angelesyale climate connectionsmiamistoriescrowdsourcingmountainssatellitesrainearth2025treesearth scienceremote 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 Marinerainhydrologywater_nasaclimateprecipitationweathernasa-sciacttechnologysnownasa-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 & weatherprecipitationnational weather serviceweatheriphonehailrainnoaaandroid
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationcsm2026saltearth2025road saltcsm2025waterway
SkNOWLEDGE COLLECTIVE
Science, math (& more!) outdoors, one snowball at a time ❄!
Anywhere
- Ongoing
Citizen ScienceGeographyClimate & WeatherEducationmeteorological dataclimatesnow depthenvironmentenvironment educationclimate changemeteorologicalmathwater resourcesschool-based citizen science initiativescienceoutdoor field-based activitiesweatherhydrological
earth observationsnowtemperaturegisoutdoorssnow wetness
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