Ancient bison bones found in Georgia show that sea levels have risen

Marisa Mecke, writing for the Savannah Morning News, reports that ancient bison bones dug up in Georgia unveil climate conditions from 50,000 years ago.

"Imagine standing at the edge of Tybee Island looking out into the expanse of the ocean, but instead of seemingly endless water there is another 60 miles of grasslands sprawling out ahead.

"Paleontologists from Georgia College and State University are uncovering what Georgia's coastal environment looked like 58,000 years ago by studying the remains of ancient bison that once lived on these grasslands."

Sea levels have risen in the last 50,000 years. What's ahead?

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