As native trees in the Pacific Northwest die off due to climate changes, researchers and arborists are turning to a strategy called “assisted migration.” Yet not everyone agrees on what type of assisted migration the region needs — or that it’s always a good thing. (Dec. 28) (AP Video by Manuel Valdes)
As native trees in the Pacific Northwest die off due to climate changes, researchers and arborists are turning to a strategy called “assisted migration.” Yet not everyone agrees on what type of assisted migration the region needs — or that it’s always a good thing. (Dec. 28) (AP Video by Manuel Valdes)
