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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 Marinedrikeep tahoe bluewater qualitylitterdesert research institutelake tahoestories in the snowtruckeewater colorucdavistahoeleague to save lake tahoetahoe environmental research centertrashuc davisalgae
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherhurricanecsm-featured_nasacsm2026food securityearth2025hailtop2022the crowd and the cloudrainprecipitationec2020girl scoutsweathernational weather servicecoopercsm2025snowclimatetop 22 in 2022
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 & Outdoorsmountainssnownasacryosphere_nasaremote sensinghydrologynasa-supported
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentearth sciencenew orleanscsm2025earthradioyale climate connectionsnprjulia kumari drapkintreesfunneighborhoodnasa orbiting carbon observatorycoastal changemappingheatpublic mediatop 22 in 2022cityjournalismjet propulsion laboratoryclimate educationcrowdsourcingresiliencephotographytop2022storiessensorsbirdscsm-featuredsnowbackyardurban heatcommunity engagementlos angeleswnycremote sensingurban heat islandnasaclimate changesea level riseclimatetrees urban street forest mapclimate sciencecitizen scienceraincarboncitizen journalismmountainscitizen science waterfloodtop viewed 2021new yorkgirl scoutsscienceearth2025communitybeachesweathermarine environmentdroughtsatellitesmiami
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 Marinewater_nasanasa-sciactclimateprecipitationtechnologysnowweatherrainnasa-supportedhydrology
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsandroidclimate & weathernoaaprecipitationrainweatherhailiphonenational weather service
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationcsm2025saltwaterwayearth2025road saltcsm2026
SkNOWLEDGE COLLECTIVE
Science, math (& more!) outdoors, one snowball at a time ❄!
Anywhere
- Ongoing
Citizen ScienceGeographyClimate & WeatherEducationsnow wetnessmeteorological datawater resourcesmeteorologicaloutdoor field-based activitiesscienceearth observationschool-based citizen science initiativeclimatehydrological
environmentenvironment educationsnow depthmathoutdoorstemperatureweathersnowgisclimate change
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