Opponents of a policy change generally believe that market economies are wonderful things, able to adapt to just about anything - anything, that is, except a government policy that puts a price on greenhouse gas emissions. Limits on the world supply of oil, land, water - no problem. Limits on the amount of CO2 we can emit - total disaster.
From Anti-green economics - Paul Krugman Blog - NYTimes.com

Krugman sums most of the anti-regulation arguments succinctly.