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Nature 441, 802-805 (15 June 2006) | doi:10.1038/441802a; Published online 14 June 2006

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Climate change: The tipping point of the iceberg

Gabrielle Walker1

  1. Gabrielle Walker is a writer who specializes in Earth science and cold places.

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Could climate change run away with itself? Gabrielle Walker looks at the balance of evidence.

"Be worried. Time magazine advised those looking at its 3 April cover showing a forlorn polar bear surrounded by puddles of melted ice.

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