oil and gas industry

Five years ago an off-shore explosion killed 11 workers and created a massive 210 million gallon spill in the Gulf of Mexico. There have been questions ever since about how the accident could have been prevented and how to improve off-shore safety standards.

Carl Moore started working on off-shore supply boats back in the 1980s.

Louisiana's coast is disappearing at the rate of about a football field an hour. Since the 1930s, the Gulf of Mexico has swallowed up an area the size of Delaware.

You can see the water encroaching in Delacroix in St. Bernard Parish, less than an hour southeast of New Orleans. Here, a narrow crescent of land known locally as the "end of the world" is where the road abruptly comes to a dead end; in the distance, you see the tops of now-submerged trees.