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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 8, 2026
18 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 Marineucdavistahoeleague to save lake tahoekeep tahoe bluedrialgaelake tahoewater qualitytrashdesert research institutelitterwater colortruckeestories in the snowuc davistahoe environmental research center
CoCoRaHS: Community Collaborative Rain, Hail and Snow Network
Provide weather data to meteorologists
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & Weatherclimatenational weather serviceweatherec2020csm2025the crowd and the cloudtop 22 in 2022precipitationfood securitygirl scoutscsm-featuredhailtop2022snowraincsm2026_nasacooperhurricaneearth2025
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 & Outdoorsmountainshydrologyremote sensingcryospheresnow_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 & Environmentantarcticnasa-sciactcsm2025glaciersnasa-supportedmicrobestourismiaatowinterglacial meltwater_nasaphytoplanktonantarcticametagenomicsmeltwaterwapgeneticsiceantarticapolarmicrobesnowfjordphytofjordsmetatranscriptomics
ISeeChange
ISeeChange
We’re making a record of climate change impacts.
Anywhere
- Ongoing
Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbackyardgirl scoutscrowdsourcingfloodnprclimate sciencejulia kumari drapkinsea level risesnownasalos angelesearthradiosciencerainresiliencecitizen sciencecsm2025carbondroughtmountainsfuntop 22 in 2022nasa orbiting carbon observatoryclimateurban heatmappingweathercommunitystoriestop viewed 2021urban heat islandyale climate connectionsmarine environmentheatjournalismcsm-featuredwnycphotographycoastal changecitizen journalismclimate changecommunity engagementmiamijet propulsion laboratorynew yorkearth scienceclimate educationcitizen science waterpublic mediasensorscitytop2022treesbeachesremote sensingsatellitesneighborhoodtrees urban street forest mapnew orleansbirdsearth2025
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 Marinerainhydrologyweatherprecipitationwatertechnologyclimate_nasanasa-sciactnasa-supportedsnow
NSF NCAR
NSF NCAR Explorer Series Lecture: Integrating expertise
Join us for this NSF NCAR Explorer Series lecture, “Integrating expertise: Predicting hazardous weather through conv science and artificial intelligence.”
NSF NCAR Mesa Laboratory at 1850 Table Mesa Dr, Boulder, CO, 80305, USA
- April 9, 2026 at 1:00 AM through 2:30 AM
LectureClimate & WeatherSocial ScienceNSF NCARconvergenceweatherconvergent scienceAIartificial intelligence
Precipitation ID Near the Ground (PING)
Develop radar technologies to detect precipitation
Multiple locations, including yours!
- Ongoing
Citizen ScienceClimate & WeatherComputers & TechnologyOcean Water MarineNature & Outdoorsprecipitationiphoneandroidnational weather serviceweatherhailrainnoaaclimate & weather
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