1. UCAR Magazine

    Taking a step back: Was Copenhagen a failure?

    Clearly, the end of the Copenhagen conference isn’t the end of work on climate change—though, with regards to Winston Churchill, it might be the end of the beginning.

    • Climate

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  2. Image showing high temperatures over Greenland and Eurasion 14,500 years ago

    Through the past, meticulously

    In eastern Tennessee a portrait of Earth's progression from ice age to present is taking shape. Each day, up to 100 years of climatic history unfolds. By early this year, the story will be complete, thanks to some five million processing hours on supercomputers at the Oak Ridge National Laboratory.

    • Climate

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  3. Extent of snow cover on 14 January

    Putting the U.S. cold snap in context

    Even if the onslaught paled next to great winter outbreaks of the past, it was impressively persistent across some influential areas, including southeast England and the U.S. mid-Atlantic.

    • Climate

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  4. Brian O'Neill

    Climate conditions in 2050 crucial to avoid harmful impacts in 2100

    Policymakers should focus on what needs to be achieved in the next 40 years in order to keep long-term options viable for avoiding dangerous levels of warming, a new study concludes.

    • Climate

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  5. climate patterns

    Bering Strait influenced ice age climate patterns worldwide

    In a vivid example of how a small geographic feature can have far-reaching impacts on climate, new research shows that water levels in the Bering Strait helped drive global climate patterns during ice age episodes dating back more than 100,000 years.

    • Climate

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