The virulence of the Koch brothers’ opposition to climate policy — to anything that would make polluters instead of society pay for the cost of their pollution — is purely a matter of self-interest. The immense profitability of their carbon holdings depends on their freedom to pollute without consequence — a toxic freedom they have sold to the American public, and particularly the Tea Party faithful organized by the various Koch front groups, as inherent to the American dream.
http://climateprogress.org/2011/02/02/koch-industries-carbon-pollution