We're in beta! If you find a bug or have feedback, let us know in our 
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 9, 2026
17 opportunities found! use fewer search filter criteria to find more opportunities
Filters
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 institutewater qualityuc daviswater colorlake tahoetrashkeep tahoe bluedrilittertahoe environmental research centerstories in the snowtruckeeucdavistahoeleague to save lake tahoealgae
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherec2020csm2025top 22 in 2022precipitationearth2025hurricanefood securityweathergirl scouts_nasasnowcsm-featuredhailrainthe crowd and the cloudnational weather servicecoopertop2022climatecsm2026
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_nasacryospheremountainsremote sensingsnownasa-supportedhydrologynasa
Plankton Base with Scripps Inst. Oceanography, Universidad Nacional de La Plata
FjordPhyto Plankton Base
Monitor phytoplankton in polar coast
Multiple locations, including yours!
- Ongoing
Citizen ScienceBiologyOcean Water MarineEcology & Environment_nasaantarcticamicrobesfjordphytonasa-supportedwinteriaatomicrobeglacial meltwaterphytoplanktonpolarfjordstourismnasa-sciactantarticaantarcticiceglaciersgeneticswapmetagenomicsmeltwatersnowcsm2025metatranscriptomics
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbackyardyale climate connectionsscienceearthradiojulia kumari drapkincarbonsnowfloodremote sensingtreessensorscoastal changeurban heatcommunitynprtop 22 in 2022new yorknasasatellitesmarine environmentgirl scoutscitizen journalismcsm2025crowdsourcingclimate changetrees urban street forest maptop2022resiliencejournalismclimatemiamiweatherclimate sciencecitizen sciencenasa orbiting carbon observatorynew orleanscitycsm-featuredrainmappingdroughtbirdsclimate educationcitizen science waterphotographyjet propulsion laboratoryneighborhoodwnycheatlos angelesurban heat islandearth sciencefunstoriestop viewed 2021community engagementpublic mediasea level risemountainsbeachesearth2025
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 Marinerainsnownasa-sciacthydrologyweatherwater_nasatechnologyclimatenasa-supportedprecipitation
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsclimate & weatherprecipitationnoaaiphonehailnational weather servicerainweatherandroid
Izaak Walton League of America
Salt Watch
Monitor chloride levels in local streams.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineEducationsaltwaterwaycsm2026road saltcsm2025earth2025
12