As the southern westerly winds drive the Antarctic circumpolar current around Antarctica, deep waters are forced up to the surface south of the polar front. Changes in the intensity with which this relatively warm, nutrient ...
Sep 03, 2015 in Earth Sciences
The emissions pledges that countries have made ahead of a landmark conference in Paris have been a major boost to the slow-moving U.N. effort to fight climate change.
Sep 28, 2015 in Environment