Aquecimento Global?

http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2014/01/03/an-astonishing-dangerous-cold-snap-is-about-to-descend-on-the-u-s/

An astonishing, dangerous cold snap is about to descend on the U.S.

washingtonpost.com

Some of the coldest air in years, if not decades, is poised to pour into the U.S., with mind-boggling low temperatures.