Then why waste the time and money?
“The two sides in the climate debate have spent recent years offering dueling — and dubious — economic claims. Switching to more expensive, cleaner energy does not promise a free lunch of more prosperity and a healthier planet. But it also does not need to result in stagnation. A federal climate response brings a mix of costs and benefits, and the specific policies that Mr. Obama and Congress pursue will help determine the balance.” [NYTimes]