As the guardiannews, senior U.S. officials this week held a briefing at the White House about the dangers of the release in the Arctic ice in summer within the next two years.
The meeting was jointly held: Acting Chief NASA scientist, Gale Allen, director of the U.S. National Science Foundation, Cora Marette, and representatives of the U.S. Department of Homeland Security and the Pentagon.
The presence of the latter is a sign that the U.S. officials are increasingly concerned international and internal security due to the effects of climate change.
At a meeting attended by senior scientific adviser to the U.S. government, 10 specialists on the Arctic, including the scientist seascape Professor Carlos Duarte, Director of the oceans at the University of Western Australia.
In early April, Duarte warned that the summer Arctic sea ice is melting at a faster rate than predicted by conventional climate models, and the region could be ice-free in 2015, and not to the end of the century, as predicted by the Intergovernmental Panel on Climate Change Climate Change (IPCC) in 2007. He said: "The situation in the Arctic is growing like a snowball: dangerous changes in the Arctic come from the accumulation of anthropogenic greenhouse gases, leading to a significant increase in the volume of emissions of these gases. This situation gives impetus runaway train."