Study documents tree species’ decline due to climate warming

A study documenting mortality of yellow cedar trees in Alaska and British Columbia concludes the future is gloomy for the species valued for its commercial and cultural uses.
The study recorded death due to root freeze on 7 percent of the tree’s range. Researchers say additional mortality is likely over the next 50 years as the climate warms.
Climate models project a transition from snow to more rain where yellow cedar now thrives.
The study says that without an insulating blanket of snow,