Soot Layer Accelerating Arctic Warming?

"An international research team is in the land of snow and ice, in search of soot. Though the Arctic is often pictured as a vast white wasteland, scientists believe a thin layer of soot — mostly invisible — is causing it to absorb more heat. They want to find out if that's the main reason for the recent rapid warming of the Arctic, which could have a long-term impact on the world's climate."

Read the article by Randolph Schmid.