Over 140 million Americans are bracing this week for the coldest temperatures in nearly 20 years. A “polar vortex” of cold, dense air has the National Weather Service predicting weather 30 to 50 degrees below average...
As the Northeast digs itself out of the third major storm of the season -- and possibly the worst winter storm in 40 years -- people may start to wonder, "What happened to global warming?" The answer is simple: global warming...