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Published online 12 December 2001 | Nature | doi:10.1038/news011213-11
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Broken seesaw warms North
Pressure system secrets could help long range forecasts.
Therise in levels of greenhouse gases has halted an oscillation of air pressures over the Arctic, bringing warmer, wetter winters to Northern Europe, Siberia and Alaska. The shift could get worse with increasing CO2 emissions, delegates heard this week at the American Geophysical Union meeting in San Francisco, California.
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