Purdue University researchers have found evidence that tropical cyclones and hurricanes play an important role in the ocean circulation patterns that transport heat and maintain the climate of North
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The so-called thermohaline conveyor belt--a strong northward flow of warm water near the surface of the Atlantic balanced by a southward flow of cold water near the bottom--carries heat from warm equatorial regions to the frigid north, keeping Europ
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President Bush this week called on the world's top emitters of greenhouse gases warming the world to set a "long-term goal" for reducing such pollution, but was vague on how to complete the task.
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Global negotiations on stabilizing greenhouse gas emissions in the period after 2012 will commence in Bali in December 2007. The main emitting nations--including Brazil, Canada, China, the European Union, India, Mexico, South Africa and the U.S.--ha
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Global negotiations on stabilizing greenhouse gas emissions in the period after 2012 will commence in Bali in December. The main emitters--including Brazil, Canada, China, the European Union, India, Mexico, South Africa and the U.S.--have recently a
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The enormity of global warming can be daunting and dispiriting. What can one person, or even one nation, do on their own to slow and reverse climate change? But just as ecologist Stephen Pacala and physicist Robert Socolow, both at Princeton Univers
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The preponderance of scientific evidence makes clear that the earth is warming as a result of human activity. Now policy makers are faced with the question of what to do about it. Scientific American spoke with three leading economic policy thinkers
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