Imagine a New York autumn with almost no red or orange -- just brown, brown, brown. Experts say that could be the scene 50 years from now if people don’t start paying more attention to what’s going on with the shrubs, bushes and saplings in the forest.
The groundhog predicted an early spring this year -- and he isn't the only one. Scientists now say that thanks to climate climate change, spring may arrive up to 17 days earlier in U.S. forests during the next century and that, could have an unexpected silver lining.
John Weeks discusses the first widespread freeze of the year, and the gorgeous day that proceeded it. He also explains the significance of microclimates and their undetected presence nearly everywhere we turn.