January 27, 2012

Sixteen Concerned Scientists: No Need to Panic About Global Warming - WSJ.com

Bravo for these scientists' and engineers' willingness to speak out about climate change and for the WSJ to publish their statement.

The climate is always changing, sometimes slowly and sometimes more rapidly. When advocates for rant about 'doing something' to control climate change, my first question is "What is the average temperature of the earth that you would like to reach?" With that answer in hand (or maybe not), my follow-on question is, "How much will it cost and how long will it take." "Finally, who will pay?"

"...A recent study of a wide variety of policy options by Yale economist William Nordhaus showed that nearly the highest benefit-to-cost ratio is achieved for a policy that allows 50 more years of economic growth unimpeded by greenhouse gas controls. This would be especially beneficial to the less-developed parts of the world that would like to share some of the same advantages of material well-being, health and life expectancy that the fully developed parts of the world enjoy now. Many other policy responses would have a negative return on investment. And it is likely that more CO2 and the modest warming that may come with it will be an overall benefit to the planet..."

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