Yale Environment 360: The world's oceans are deteriorating more rapidly than scientists had thought due to rising carbon dioxide levels and associated warming, according to a new analysis by European scientists. By many indicators, ocean conditions are even worse than outlined last month by the U.N. Intergovernmental Panel on Climate Change's assessment report on the physical effects of global warming, the researchers say. Sinking oxygen levels, which could decline by 1 to 7 percent by 2100, increasing ocean acidification,...