33 of the Day

A double, no less!

A 1-meter increase in sea level doesn't sound like much.

But the 3.3-foot rise would be enough to flood 90 percent of New Orleans, 33 percent of Virginia Beach, Va., and 18 percent of Miami, according to scientists.

With the release of a University of Arizona-led study earlier this week, evidence continues to mount that the polar ice sheets are melting at a rate that could profoundly affect coastal regions unless greenhouse gases are reduced worldwide, scientists say.