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Wednesday, December 12, 2012

Just Sayin': It May Already Be Too Late

Tim Haab:

Just sayin': I was thinking of writing a lengthy post about climate change denial being completely unscientific nonsense, but then geochemist and National Science Board member James Lawrence Powell wrote a post that is basically a slam-dunk of debunking. His premise was simple: If global warming isn’t real and there’s an actual scientific debate about it, that should be reflected in the scientific journals.
He looked up how many peer-reviewed scientific papers were published in professional journals about global warming, and compared the ones supporting the idea that we’re heating up compared to those that don’t. What did he find? This:

Powell-Science-Pie-Chart[1]The thin red wedge.   Image credit: James Lawrence Powell

Maximillian Auffhammer at the Berkeley blog:

Doha schmoha: On Saturday (Dec. 8) another wildly unsuccessful round of climate negotiations, in Doha, Qatar, concluded with applying a band aid to solve the rapidly accelerating climate problem. The 1997 Kyoto accord was extended to 2020. If you think this is a good thing, you are severely mistaken. China, the US and the other usual suspects made no significant concessions. Further,  the climate leader — the EU — is internally in disagreement over what reductions should be agreed to. ...
While academics have proposed a number of interesting avenues for further studies of so called architectures for future agreements, time is slowly running out. It is simply too difficult to get 200+ countries to agree and then stick to a binding agreement. So what to do?
I think a simple handshake between the U.S. and China would be a good start. Each agrees to a carbon tax which is collected fairly far upstream. Any country wanting to sell its goods into the U.S. or Chinese markets could either pay a carbon tariff at the border or start charging its own equivalent carbon tax and be exempt from the tariff.
Is this going to happen? Maybe not...
But one thing is for sure: We are becoming richer as a species and we will want to consume more energy services. Unless we start pricing carbon, that energy will largely come from coal. And if that happens, limiting warming to 2 degrees is a pipe dream. In fact, it may already be too late.

    Posted by on Wednesday, December 12, 2012 at 05:06 PM in Economics, Environment, Market Failure, Taxes | Permalink  Comments (66)



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