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Rupert Darwall writes in The National Review,  On Climate, Science and Politics Are Diverging

Excerpts:

Predictions of an ice-free North Pole are frequently accompanied by warnings of climate-change tipping points, tripping the planet into uncharted — and, by implication, scary — climate scenarios. A new paper by two scientists at the Scripps Institution suggests that previous concern about the irreversibility of the melting of the Arctic ice cap left out two key physical processes that had led previous studies to spuriously identify a tipping point that did not correspond to the real world.

Global warming is preeminently a political project. On Tuesday, the leaders of France and Germany met to set a goal for the December climate summit in Paris: to fully decarbonize the world economy by the end of the century. It required, Angela Merkel and François Hollande declared, “a profound transformation of the world economy and society.” The role of experts is to provide a scientific consensus to support the drumbeat of alarm. When the president of America declares climate change an immediate threat to national security and accuses skeptics of “negligence” and “dereliction of duty,” scientific skepticism becomes an enemy of the state. The shrillness of the president’s rhetoric draws attention to the weakness of the science. The true believers have given up trying to win over the undecided.

Read more at: http://www.nationalreview.com/article/418751/climate-science-and-politics-are-diverging-rupert-darwall

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