A Brown Pelican flies past booms used to protect Breton National Wildlife Reserve in the Gulf of Mexico off the coast of Louisiana Thursday, May 13, 2010. The island is surrounded by booms in a attempt to protect the reserve from an oil spill after the explosion of BP's Deepwater Horizon oil platform more than three weeks ago. (AP Photo/Charlie Riedel)
Read the article: Oil spill: How much and does it matter?
Read the article: Oil cleanup ends on Gulf Coast Shores; restoration begins
