News tagged with global energy

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The ethics of biofuels

In the world-wide race to develop energy sources that are seen as "green" because they are renewable and less greenhouse gas-intensive, sometimes the most basic questions remain unanswered.

Dec 14, 2010
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Intense climate talks stretch into final hours

(AP) -- Exhausted climate negotiators labored nonstop through the night and into their final day Friday, bargaining intensely over draft accords and seeking small, but essential steps to stem global warming.

Dec 10, 2010
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Greenhouse gas chemistry

If fossil fuels burn completely, the end products are carbon dioxide and water. Today the carbon dioxide is a waste product, one that goes into the air -- adding to global warming; or the oceans -- acidifying ...

Nov 30, 2010
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