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13-Dec-07
"Saturn's iconic rings may be much older than we thought, scientists say."
13-Dec-07
"Our lifestyles produce vastly different amounts of CO2 depending on how we live and how rich we are. So who should take responsibility for cutting emissions?"
13-Dec-07
"Recycling and banning plastic bags are all very well, but they won't save the planet. Instead, we should fly less, go vegan and insulate the loft, says Chris Goodall"
12-Dec-07
"Shell is going to grow marine algae to convert into biofuel, the oil company announced yesterday."
12-Dec-07
"Shell has quietly shed most of its solar power, while BP is buying into dirty tar sands"
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