Global warming detailed in new temperature records

Washington Post: SCIENTISTS HAVE a good sense of what the Earth's climate has been like over the past handful of centuries. But what about many thousands of years back? In a recent article in the journal Science, researchers at Oregon State University and Harvard explained how they used marine fossils to piece together a rough temperature record going back 11,300 years to the most recent ice age. That record indicates that the Earth warmed as it emerged from the ice age, followed by a long-term cooling trend.......

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