Inter Press Service: The world is losing its northern freezer as Arctic winter ice is in sharp decline, NASA scientists reported this week. Even with below average winter temperatures, Arctic ice is thinner and covers less area than it did a decade ago. Arctic sea ice is the cooling mechanism for the global climate system. As it declines and the region warms – already three to five degrees Celsius warmer – then inevitably there are local, regional and hemispheric climate impacts. “We’ve already …