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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
Apr 30, 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 Marinewater qualitytruckeeuc davisstories in the snowdrikeep tahoe bluelake tahoeucdavistahoeleague to save lake tahoetahoe environmental research centeralgaelittertrashwater colordesert research institute
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherfood securityraincoopergirl scoutstop 22 in 2022climatehail_nasacsm-featuredthe crowd and the cloudec2020weathercsm2026precipitationnational weather servicesnowtop2022hurricanecsm2025earth2025
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 & Outdoorsremote sensingcryospheremountainssnowhydrology_nasanasa
Scripps Institution of Oceanography and Universidad Nacional de La Plata
Fjord Phyto
Monitor phytoplankton species diversity along the Arctic and Antarctic coast
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineBiologyEcology & Environmentnasa-supportedsnowmeltwaterpolarwinterglaciersantarcticiaatoantartica_nasamicrobetourismmetagenomicsantarcticafjordsmicrobesicewapfjordphytometatranscriptomicscsm2025glacial meltwaterphytoplanktongeneticsnasa-sciact
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmarine environmenttop viewed 2021climate changetop 22 in 2022crowdsourcingcitizen science watertreescsm-featuredpublic medianew yorkearth sciencemiamineighborhoodbirdsjet propulsion laboratorysatellitesearthsciencetop2022climate sciencestoriesnew orleanscsm2025julia kumari drapkinlos angelesearth2025droughtweathergirl scoutsheatwnycraincitizen sciencecitizen journalismclimateurban heat islandradioremote sensingclimate educationcommunity engagementmappingurban heatbackyardjournalismcarboncoastal changetrees urban street forest mapsnowresilienceyale climate connectionscitysensorsbeachessea level risenprnasaphotographynasa orbiting carbon observatoryfloodmountainscommunityfun
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 Marineprecipitationnasa-supportedweatherhydrology_nasanasa-sciactsnowtechnologyclimaterainwater
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsandroidiphoneprecipitationnoaaclimate & weatherrainhailnational weather serviceweather
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationroad saltsaltcsm2025waterwaycsm2026earth2025
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