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Last updated on April 17, 2014 at 15:43 EDT

Latest Christopher Bernhardt Stories

Lessons From Ancient Egypt On Climate and Drought
2012-08-16 16:13:14

Using Fossil Pollen to Augment Historical Records Ancient pollen and charcoal preserved in deeply buried sediments in Egypt's Nile Delta document the region's ancient droughts and fires, including a huge drought 4,200 years ago associated with the demise of Egypt's Old Kingdom, the era known as the pyramid-building time. "Humans have a long history of having to deal with climate change," said Christopher Bernhardt, a researcher with the U.S. Geological Survey. "Along with other...