The arguments against environmental regulation always include the pro-business folks who fear a huge economic hit. That underestimates business. It assumes every company, when faced with new regulations, would roll over, say, "Well, I guess we can't make profits any more," and die. It completely leaves out the other response regulation can inspire: innovation and competition.
In an effort to get ahead of the curve, Calpine Corporation, a company that builds power plants, has voluntary asked for a permit limiting the amount of carbon it can emit, according to the New York Times' Green, Inc., blog.