Climate 411

This post is by Tony Kreindler, Media Director for the National Climate Campaign at Environmental Defense Fund.

Last week, two reports came out that look at how much it will cost to drastically reduce the pollution that causes global warming. Both used economic models to project how the growth rate would change. One used a realistic set of assumptions, and the other stacked the deck with extreme assumptions.

But both of them look at only one half of the real question. They ask “How much will it cost?” (Answer: Surprisingly little). But we also have to ask, “What do we get in return for that investment?”

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This post is by Sheryl Canter, an Online Writer and Editorial Manager at Environmental Defense Fund.

There’s no longer any serious disagreement about our need to reduce greenhouse gas emissions to stop global warming. The debate now is about the best way to go about it. Opponents claim that the cost of adopting a cap-and-trade system would be ruinous to the U.S. economy. Leading economists who have studied the issue say that’s wrong.

Now you can decide for yourself. Yale economics professor Robert Repetto synthesized the results of thousands of policy simulations from 25 economic models to identify the seven key assumptions that account for most of the differences in the models’ predictions. He then used this information to create a new Web site that allows you to choose your own assumptions.

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