Stefan Rahmsdorf, a professor of oceanography at Potsdam University in Germany, says that sea levels were basically flat for most of the past 2000 years, but in the past 100 have increased faster than ever before.

FORBES: What If Mike Bloomberg Is Right And A Climate Change Nightmare Is Here?

Hyrenbach, an assistant professor of oceanography at Hawaii Pacific University, pulled out a small bottle top.

CNN: Japanese tsunami debris makes its way into Hawaiian birds

Somerville, professor at the Scripps Institution of Oceanography, University of California, San Diego.

FORBES: The Global Warming Debate Produces An Indisputable Winner