Pictures BP Oil Spill: 1 Year Later April 20, 2011 / 3:40 PM CDT / CBS News (credit: Chris Graythen/Getty Images) Birds at the Breton Island Sanctuary (credit: MARK RALSTON/AFP/Getty Images) Birds at the Breton Island Sanctuary (credit: MARK RALSTON/AFP/Getty Images) Oil Boom Barriers Expected To Stop The Spread Of Oil (credit: MARK RALSTON/AFP/Getty Images) Birds at the Breton Island sanctuary (credit: Mark Ralston/Getty Images) Coast Guard Attempts Burning Off Oil Leaking From Sunken Rig (credit: Chris Graythen/Getty Images) Coast Guard Attempts Burning Off Oil Leaking From Sunken Rig (credit: Chris Graythen/Getty Images) Oil Barriers Expected To Stop The Spread Of Oil (credit: MARK RALSTON/AFP/Getty Images) One Year Anniversary Of BP Oil Spill Approaches (credit: Mario Tama/Getty Images) One Year Anniversary Of BP Oil Spill Approaches (credit: Mario Tama/Getty Images) One Year Anniversary Of BP Oil Spill Approaches (credit: Mario Tama/Getty Images) One Year Anniversary Of BP Oil Spill Approaches (credit: Mario Tama/Getty Images) One Year Anniversary Of BP Oil Spill Approaches (credit: Mario Tama/Getty Images) One Year Anniversary Of BP Oil Spill (credit: Mario Tama/Getty Images) One Year Anniversary Of BP Oil Spill (credit: Mario Tama/Getty Images) The Gulf Coast Commemorates One-Year Anniversary Of BP Oil Spill (credit: Mario Tama/Getty Images) Explosion at Offshore Drilling Rig Deepwater Horizon (credit: Scott Lloyd/U.S. Coast Guard via Getty Images) Eleven People Missing After Explosion At Offshore Drilling Rig (credit: Scott Lloyd/U.S. Coast Guard via Getty Images) Coast Guard Attempts Burning Off Oil Leaking From Sunken Rig (credit: U.S. Coast Guard via Getty Images) Coast Guard Attempts Burning Off Oil Leaking From Sunken Rig (credit: U.S. Coast Guard via Getty Images) Coast Guard Attempts Burning Off Oil Leaking From Sunken Rig (credit: Petty Officer 3rd Class Tom Atkeson) Massive Oil Slick Reaches Louisiana Gulf Coast (credit: Joe Raedle/Getty Images) Massive Oil Slick Reaches Louisiana Gulf Coast (credit: Chris Graythen/Getty Images) Massive Oil Slick Threatens U.S. Gulf Coast (credit: Justin E. Stumberg/U.S. Navy via Getty Images) Coast Guard Attempts Burning Off Oil Leaking From Sunken Rig (credit: Chris Graythen/Getty Images)
