Dec 11, 2014

California leads by example on climate change

SACRAMENTO, Calif. (AP) — As the U.S. and China — the world's top two polluting nations — turn to implementing new rules aimed at curbing climate change, the countries can look to the most populous U.S. state as an example of the costs and challenges of fighting global warming. California already has imposed some of the world's toughest air quality standards as it moves aggressively to lower...

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