Images: Gulf oil spill then, now
Nesting pelicans fly on Cat Island, which has eroded greatly since he Deepwater Horizon oil spill, in Barataria Bay in Plaquemines Parish, La., Wednesday, April 11, 2012.
Associated Press
In a Wednesday, April 11, 2012 photo, pelicans fly over dead mangrove on heavily eroded Cat Island in Barataria Bay in Plaquemines Parish, La.
Associated Press
In this May 22, 2010 file photo, Pelicans are seen nesting on mangrove on Cat Island as oil from the Deepwater Horizon oil spill impacts the shoreline below, in Barataria Bay in Plaquemines Parish, La.
Associated Press
In this May 22, 2010 file photo, Pelicans are seen nesting on mangrove on Cat Island as oil from the Deepwater Horizon oil spill impacts the shoreline below, in Barataria Bay in Plaquemines Parish, La.
Associated Press
In this May 22, 2010 file photo, nesting pelicans are seen landing as oil washes ashore on Cat Island in Barataria Bay, in Plaquemines Parish, La.
Associated Press
In this May 22, 2010 file photo, nesting pelicans are seen landing as oil washes ashore on Cat Island in Barataria Bay, in Plaquemines Parish, La.
Associated Press
Dead mangrove stumps are seen in the water near the eroding shoreline of Cat Island in Barataria Bay in Plaquemines Parish, La., Wednesday, April 11, 2012.
Associated Press
In this May 22, 2010 file photo, a man lays oil absorbent boom as oil from the Deepwater Horizon oil spill impacts Cat Island in Barataria Bay, in Plaquemines Parish, La.
Associated Press
Pelicans sit on the earth where mangrove and marsh grass used to be, on Cat Island in Barataria Bay in Plaquemines Parish, La., Wednesday, April 11, 2012.
Associated Press
In this May 23, 2010 file photo, Pelicans are seen nesting on mangrove on Cat Island, as it is impacted by oil from the Deepwater Horizon oil spill, in Barataria Bay in Plaquemines Parish, La.
Associated Press
Pelicans are seen among dead mangrove on Cat Island in Barataria Bay in Plaquemines Parish, La., Wednesday, April 11, 2012.
Associated Press
In this May 22, 2010 file photo, pelicans nest in mangrove on Cat Island as oil from the Deepwater Horizon oil spill, seen below, impacts the island in Barataria Bay, just inside the coast of Louisiana, in this May 22, 2010 file photo.
Associated Press
Pelicans are seen sitting on dead mangrove where they formerly nested, on Cat Island, which has eroded significantly since the Deepwater Horizon oil spill in Barataria Bay in Plaquemines Parish, La., Wednesday, April 11, 2012.
Associated Press
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