Lagunitas Climate Hotspot: The Crippling of the Redwoods

It used to be the redwoods in Marin County soaked in fog for an average of 12 hours a day. Now it’s just nine hours. Scientists blame that on climate change. NBC Bay Area’s Vianey Arana talks with Todd Dawson, an integrative biology professor at U.C. Berkeley about what the shift is doing to the trees and the redwood forests in which they live.