The 5th Most Commented Article of 2012:
by Elliott Negin, Union of Concerned Scientists
You can say one thing about the Koch brothers: They don't let the facts get in their way. Of course I'm talking about Charles G. and David H. Koch, the billionaire owners of Koch Industries, the oil, coal and natural gas conglomerate that's been dubbed the "kingpin of climate science denial."
Last summer, Richard Muller, a Berkeley physicist long skeptical of climate science, went off script and announced that his three-year, Koch-funded investigation verified that global warming is indeed real, is primarily caused by human activity, and is even worse than the climate science community thought.