Clearly, the first step to getting climate change under control is to put a price on carbon, either through a tax or else through a cap and trade system. But trying to work exclusively through that mechanism probably won't work, we need, in my opinion, to go further through
massive subsidies for BP's products and other efforts to help them market themselves as the "green" oil company.
This article available online at:
http://www.theatlantic.com/politics/archive/2008/04/advertise-with-me-instead/44217/