White House: The Polar Vortex Explained in 2 Minutes

by Becky Fried | January 08, 2014  | Release URL Here at the White House, while we’re beginning to thaw from this week’s bone-chilling deep freeze, our discussions about the science of weather extremes are heating up. We know that no single weather episode proves or disproves climate change. Climate refers to the patterns observed in the weather…

White House warned on Arctic ice loss

By Dr Nafeez Ahmed / via Guardian. National security officials worried by rapid loss of Arctic summer sea ice overlook threat of permanent global food shortages.

Senior US government officials are to be briefed at the White House this week on the danger of an ice-free Arctic in the summer within two years. The meeting is bringing together Nasa’s acting chief scientist, Gale Allen, the director of the US National Science Foundation, Cora Marett, as well as representatives from the US Department of Homeland Security and the Pentagon. This is the latest indication that US officials are increasingly concerned about the international and domestic security implications of climate change.