Human-caused climate change is transforming the Arctic, both physically and biologically, a new report states. And that can influence extreme weather in places including the United States and Europe.

Human-caused climate change is transforming the Arctic, both physically and biologically, a new report states. And that can influence extreme weather in places including the United States and Europe. https://t.co/svSUwi48Lq

— CNN (@CNN) December 16, 2018