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10 Reasons California Is 'Greener' than New York (Op-Ed)Opinion Is California "greener" than New York?
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Five Facts That Reveal a Warming Planet (Op-Ed)Opinion The Earth is getting hotter, people are causing it.
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In an Oil Boom, Reason to Mourn 55 Mph Speed Limit (Op-Ed)Opinion Even in an energy boom, the U.S. slice of foreign oil profits can hurt American national interests.
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Can Games Be a Game-Changer for Climate? (Op-Ed)Opinion Global warming isn't a game, but gameplay might giving people a firm grasp of the risks.
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For Severe Weather, 'Is This Climate Change?' Is the Wrong Question (Op-Ed)Opinion Blaming severe storms on climate change? Not so fast.
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The Dirty 'Clean Fuel': Why Natural Gas Out-Pollutes Coal (Op-Ed)Opinion If you want a clean fuel, you should look beyond methane.
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