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1 .This is Scientific American 60-Second Earth. I'm David Biello. Your minute begins now.
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2 .An Arctic storm tore a drilling rig loose from its tow ship and forced it aground near Alaska's Kodiak Island this week.
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3 .Just a few months ago, the rig and another began preliminary drilling of the first offshore oil wells in the Arctic.
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4 .Shell's efforts to drill in the Beaufort and Chukchi Seas have been plagued by problems.
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5 .But that's just part of the cost of doing energy business in this new era.
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6 .Consider drilling rig operator Transocean, which agreed to pay the U.S.government $1.4 billion this week for its part in the disastrous three-month long blowout in the Gulf of Mexico in 2010.
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7 .Meanwhile, the thirst for oil drives the mining of tar sands in Alberta and the flooding of old wells with steam or CO2 in California and Texas.
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8 .And, of course, there's the accelerating accumulation of greenhouse gases in the atmosphere from all that fossil fuel burning.
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9 .The resulting climate change is part of what makes drilling for oil offshore in the unfreezing Arctic possible,
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10 .just as it has opened once mythical shipping routes such as the Northwest and Northeast Passages.
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11 .That's a positive feedback loop with negative consequences.
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12 .Your minute is up, for Scientific American 60-Second Earth. I'm David Biello.
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