Goodbye New York: Photos Show Global Warming Overtaking Cities

Edward Mazria wants people to know how rising sea levels -- made worse by global warming -- will affect residents along U.S. coastlines.

Goodbye, Hollywood, Fla. So long, Boston. New Orleans? Forget about it.

"We're not talking about South Sea islands and Bangladesh here," Mazria said. "We're talking about the U.S. being physically under siege with a very small increment of sea level rise."

Mazria isn't a climatologist. He's not even a scientist. He's an architect who gave up running his company in January to devote his time to a nonprofit group he founded several years ago. Called Architecture 2030, the organization tries to bring attention to the amount of greenhouse gas emissions that the building sector contributes to global warming through inefficient electricity use, lighting, heating and cooling.

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