Forget America's shining "city on a hill" --it's by the ocean where most of the world's greatest cities lie. For centuries, water has meant strategic advantages, like access to food and trade. But as Frank Jacobs writes in Foreign Policy, rising sea levels and disappearing coastlines mean that in many places what was once an advantage has become a liability. Could these 10 major cities soon vanish beneath rising tides?
Mumbai, 2.8 million inhabitants exposed
Mumbai sits on the western coast of India, on the edge of the Arabian Sea. A report this year by the Intergovernmental Panel on Climate Change noted that the city was facing increased risks from floods, storms, and rising seas. The city suffered massive flooding in 2005 when nearly three feet of rain fell over 24 hours, killing over 1,000 people. Above, Hindu devotees carry an idol of the elephant-headed Hindu God Lord Ganesha into the Arabian Sea for immersion in 2007.