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Opinion

October 7, 2013

Column: What the new climate report really says

The people who are paid to spread doubt and confusion about our changing climate have been working overtime this week, because the Intergovernmental Panel on Climate Change (IPCC), a scientific body that includes thousands of the world’s best climate scientists, has just issued its latest assessment. The IPCC report is the Olympics of climate change — once every few years, the best in the world show us the results of thousands of the most recent research studies. Inevitably, it brings out the peddlers of doubt, people who do their best to muddy the waters about our changing climate. It’s so predictable, you could write a book about it.

In fact, I did write one. Six years ago, when the last IPCC assessment came out, I left my day job in journalism and started work on “The Climate War.” I thought it would be a book about how we finally started to get serious about climate change — I figured we had to, because that report declared that global warming was “unequivocal” and that most of the observed warming was “very likely” caused by human activity.

Instead, it became a book about how we didn’t get serious. The peddlers of doubt won that round, and in 2010, they defeated climate action in the U.S. Senate.

Now the IPCC is back with a new report. Basically, the scientists are as sure that human activity is warming the planet as they are that cigarettes cause cancer.

That means we have another chance to get it right. And we have a deeper understanding of how high the stakes are. Here are a few nuggets from the new report:

Ocean levels may rise by 3 feet by the end of this century if emissions are not curbed. Stand on the shore in Lower Manhattan, Miami or Mumbai and contemplate what that means.

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