Remember Enron, the corrupt firm whose failure should have disproved the myth "too big to fail", but didn't? At the time it was the seventh largest corporation. It's bankruptcy was the largest in history until Lehman Brothers failed. Incidentally, Lehman Brothers was also involved in carbon trading. Enron owed part of its early success to emissions trading. Basically emissions trading was established as a way for some companies to profit from pollution while allowing some companies to continue to produce the chemicals that can cause acid rain. Lawrence Solomon, executive director of Energy Probe and Urban Renaissance Institute, is reporting...