Arctic Fence Involved in Erratic Weather

Massive snowstorms in Europe,floods in Australia, arctic cold in the northeastern U.S and record warmth at the poles.Some scientists are trying to draw a link between this roller-coaster weather and global warming.Dr.Michael Rawlins a climatologist who manages the climate system research center at Umass Amherst says these researchers believe changes to the arctic fence–is thought to be a contributing factor.