National forests closed; a fire is quickly quenched on DPR; Sierra Wath declares victory over Alterra; Lake Tahoe is in threat; more.

We could’ve lost the impact of decades of snowfall research, but the Snow Lab remains on Donner Summit thanks to local agencies and individuals teaming up.

SCIENTIFIC SPIRITS: Nosh on a sumptuous selection of appetizers and desserts as you navigate through a series of fun and interactive scientific stations at the UC Davis TERC Science of Cocktails event.

Feature Presentation: Tahoe Film Fest returns for its fifth year this Dec. 5 to 8 with a series of films ranging from dramas to documentaries. All proceeds benefit UC Davis Tahoe Environmental Research Center.

Lake Tahoe’s clarity as measured by a Secchi Disk improved last year by 10.5 feet from the clarity levels of 2017, meaning scientists can...