EPA chief denies carbon dioxide is main cause of global warming and... wait, what!?

Well, that didn't take long.  Soon after moving to slash his agency's budget and staff, Scott Pruitt, the new head of the Environmental Protection Agency (EPA), said on Thursday that he doesn't believe that the human-caused buildup in atmospheric carbon dioxide concentrations is the primary contributor behind global warming. These statements go beyond his previous expressions of doubt regarding mainstream climate science findings, and indicate that the person responsible for regulating carb