Posted: Saturday, February 2, 2013 12:00 am
Over the next 70 years, the Earth is expected to warm about as much as it did during the thousands of years from the depths of an ice age to the midst of a benign period like the one we currently are in.
That's the conclusion of a major federal report, the National Climate Assessment, released in January and up for public comment until April.
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Saturday, February 2, 2013 12:00 am.