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Global Warming

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Published first in the NY Times A BRIGHT FUTURE How Some Countries Have Solved Climate Change and the Rest Can Follow By Joshua S. Goldstein and Staffan A. Qvist Some years ago, while studying how societies transitioned from one energy source to another over the past 200 years, the Italian physicist Cesare Marchetti and his colleagues discovered a hard truth: It takes almost a century for a new source of primary energy — coal, petroleum, natural gas,…