Icy Europe, balmy North Pole: A world upside down

Experts say climate change has warmed the Arctic region faster

PARIS - Not for the first time in recent years, Europe has descended into a deep freeze while the Arctic experiences record high temperatures, leaving scientists to ponder the role global warming may play in turning winter weather upside down.

A Siberian cold front has spread subzero temperatures across Europe, carpeting southern cities and palm-lined Mediterranean beaches with snow.