Levees

In California, some worry that the state's aging delta levees are in extreme danger of being destroyed by earthquakes. And as environmental concerns rise, the state is considering plans to re-engineer its water supplies to prevent another "Katrina".
Jan 6, 2011   Miller-McCune
<p>The vast levee system under construction by the Army Corps of Engineers may not be sufficient to protect New Orleans as the climate continues to change.</p>
Mar 21, 2008   Grist