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
Jun 6, 2025
19 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 Marineucdavistahoeleague to save lake tahoewater qualitydrialgaedesert research institutewater colorlittertahoe environmental research centerstories in the snowlake tahoetrashkeep tahoe blueuc davistruckee
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherhailsnowearth2025climatenational weather servicetop2022top 22 in 2022_nasacsm-featuredgirl scoutsfood securityhurricaneweatherec2020csm2025the crowd and the cloudprecipitationcooperrain
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 ScienceEcology & EnvironmentGeographyClimate & WeatherGeology & Earth ScienceEducationOcean Water MarineNature & OutdoorsComputers & Technologysnowremote sensingmountainsnasahydrology_nasacryosphere
NASA / Vernet Lab at Scripps Institution of Oceanography
Fjord Phyto
Monitor phytoplankton communities along the Antarctic Peninsula
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentBiologyOcean Water Marine_nasawinteriaatoantarcticwaptourismmetatranscriptomicsantarcticaantarticametagenomicsmeltwatersnowglaciersgeneticsmicrobenasa-sciactmicrobescsm2025phytoplanktonglacial meltwaterfjordphytoicepolarfjords
Charlotte Amateur Astronomers Club
GHRO Telescope Training
GHRO SC
- June 28, 2025 at 11:30 PM through 11:30 PM
CommunityAstronomy & Space
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentDisaster ResponseClimate & Weatheryale climate connectionsmiamiurban heatsatellitestreesbirdsjulia kumari drapkinradiobeachesrainremote sensingcitizen science watercommunity engagementweathercsm2025trees urban street forest mapfunsciencepublic mediawnycnasa orbiting carbon observatorymappingfloodearth sciencetop2022communityclimateresiliencenasaurban heat islandcitycrowdsourcingcitizen journalismsensorsclimate sciencebackyardcsm-featuredearth2025girl scoutssnownew orleansclimate educationearthlos angelescarbonsea level risejournalismstoriesneighborhoodmountainsclimate changetop viewed 2021jet propulsion laboratorynprtop 22 in 2022photographycoastal changemarine environmentdroughtcitizen scienceheatnew york
Lynker and DRI / NASA
Mountain Rain or Snow
Our goal is to improve estimates of precipitation phase (rain vs. snow).
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineEcology & EnvironmentClimate & Weathersnowhydrologywaterweatherclimaterain_nasanasa-sciactprecipitationtechnology
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsrainiphonenational weather serviceandroidprecipitationclimate & weatherweatherhailnoaa
12