PBS Special Tonight: The Sinking Of New Orleans

"One of America's most vibrant and productive ecological regions is slipping into the Gulf of Mexico at an alarming rate. Every year, a chunk of land nearly as big as Manhattan crumbles and washes away...The crisis in the delta could reach catastrophic levels in the next few decades, with far-reaching environmental, human, and economic consequences... The Sinking of New Orleans," NOW with Bill Moyers returns to the Mississippi River delta to examine another ominous effect of this crisis — the risk that a massive hurricane could drown New Orleans gets worse every single year." [Check local PBS listings.]