Recent climate science shows us to be on the precipice

Some of the more striking items in this post at Climate Progress (via Existence Machine): A study in Nature reports a 40% drop in the oceans' phytoplankton. Scientists in the Royal Society find evidence that "the current rate of species extinctions far exceeds anything in the fossil record." The National Science Foundation warns of the destabilization and venting of the massive methane stores in the East Siberian Arctic shelf.