Thursday, February 15, 2007

George Will Asks The Tough Questions About Global Warming

Really good piece by George Will on global warming, making many of the points I've been trying to make in a much more articulate manner. (This via Hit and Run who has a bit more about the economics of global warming. Here's a taste:

Climate Cassandras say the facts are clear and the case is closed. (Sen. Barbara Boxer: "We're not going to take a lot of time debating this anymore.") The consensus catechism about global warming has six tenets: 1. Global warming is happening. 2. It is our (humanity's, but especially America's) fault. 3. It will continue unless we mend our ways. 4. If it continues we are in grave danger. 5. We know how to slow or even reverse the warming. 6. The benefits from doing that will far exceed the costs.

Only the first tenet is clearly true, and only in the sense that the Earth warmed about 0.7 degrees Celsius in the 20th century. We do not know the extent to which human activity caused this. The activity is economic growth, the wealth-creation that makes possible improved well-being—better nutrition, medicine, education,
etc. How much reduction of such social goods are we willing to accept by slowing economic activity in order to (try to) regulate the planet's climate?


Exactly.

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