Inconvinent Truth

Raising the water level around Calcutta India would displace 60 million people

http://www.popline.org/docs/0730/036183.html

• New York, New York, United Nations, 1986. vii, 38 p. (Population Policy Paper No. 1ST/ESA/SER.R/61)
• Department of International Economic and Social Affairs. Population Division
• Very credible
• There is only 10 million people in the city of Calcutta
• Yes, demographics done by the United Nations is meant to be trusted

http://www.asiarooms.com/travel-guide/india/kolkata/kolkata-overview/kolkata-population.html

• AsiaRooms-TUI Travel PLC
• Leading international travel agency
• Mildly credible
• In the entire metroploitan area of Calcutta India there are only 14 million people
• Not so sure if I trust these people because they don't provide many credicals or explanations of how they got this info.

http://www.worldatlas.com/citypops.htm

• U.S. Census Bureau and Times Atlas of the World, tenth edition
• Department of US government that develops studies on population and other demographic info for the government
• Credible
• Calcutta is the 9th most populated city in the world with 12,900,000 people
• I do believe this source because it matches closely to the other sources I found

I believe that Gore streched this fact and even though displacing 12 million is still bad, it's not as bad as 60 million.