New Orleans

By 2040, there is a 1 in 6 chance waters will rise above the 10-foot mark at New Orleans' nearest flood risk indicator site at Grand Isle in East Point, La.

Below the 10 foot rise mark in New Orleans, there are 342,179 people, 188,979 homes, and 76,467 acres of land.

The OECD ranked New Orleans as the No. 12 most exposed city in the world in terms of assets exposed to coastal flooding, with more than $233 billion in assets at stake.