Explaining ‘assisted migration’ for trees

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. AP Video by Manuel Valdes Subscribe for more Breaking News: http://smarturl.it/AssociatedPress Website: https://apnews.com Twitter:   / ap   Facebook:   / apnews   Instagram:   / apnews   ​ This video may be available for archive licensing via https://newsroom.ap.org/home