Fires Burning in the Cold Arctic

The Arctic may seem like an unlikely place for fires, but every year wildfires burn millions of acres of forest in Alaska, northern Canada, and Siberia. This century, the blazes have grown bigger, hotter, and more frequent, causing health problems for local residents and releasing harmful greenhouse gases into the environment. Listen to hear a climate scientist describe the effects of wildfires in the Arctic and how the global community can respond.