On April 20th 2009 the Deepwater Horizon oil rig joint-owned by BP exploded sending flames high into the sky and what turned out to be millions of barrels of crude oil into the Gulf of Mexico.

BP Oil Spill One Year On

01. Dead porgy fish lie stuck in oil from the Deepwater Horizon gulf oil spill in Bay Jimmy near Port Sulpher, Louisiana in this June 20, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

02. Storm clouds form near a BP station in Alexandria, Virginia in this July 19, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, the Deepwater Horizon gulf oil spill, the largest spill in U.S. history, clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Molly Riley/Files

BP Oil Spill One Year On

03. Fire boat response crews battle the blazing remnants of BP's Deepwater Horizon oil rig at the site of the gulf oil spill off Louisiana in this April 21, 2010 handout file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/U.S. Coast Guard/Handout/Files

BP Oil Spill One Year On

04. Oil is burned off the surface of the water near the source of the Deepwater Horizon gulf spill in the Gulf of Mexico off the coast of Louisiana in this June 19, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Propellers from the airplane are visible in the photo. REUTERS/Lee Celano/Files

BP Oil Spill One Year On

05. Dark clouds of smoke and fire emerge as oil burns during a controlled fire of the Deepwater Horizon gulf oil spill in the Gulf of Mexico in this May 6, 2010 handout file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Mass Communication Specialist 2nd Class Justin Stumberg-US Navy/Handout/Files

BP Oil Spill One Year On

06. Gas and oil continue to leak at the Deepwater Horizon gulf oil spill site in the Gulf of Mexico in this file still image from a June 24, 2010 BP live video feed. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/BP/Handout/Files

BP Oil Spill One Year On

07. A tri-colored heron covered with oil from the Deepwater Horizon gulf oil spill is pictured along Queen Bess Island near Grand Isle, Louisiana in this July 17, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

08. Oil booms are seen as they reach the coast of South Pass, south of Venice, Louisiana, while oil leaking from the Deepwater Horizon gulf oil spill continues to spread in the Gulf of Mexico in this May 1, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Carlos Barria/Files

BP Oil Spill One Year On

09. A man holds a plastic bag, with oil from the Deepwater Horizon gulf oil spill, south of Freemason Island, Louisiana in this May 7, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Carlos Barria/Files

BP Oil Spill One Year On

10. Greenpeace Senior Campaigner Lindsey Allen walks through a patch of oil from the Deepwater Horizon gulf oil spill on a breakwater in the mouth of the Mississippi River where it meets the Gulf of Mexico in Louisiana in this May 18, 2010 handout file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Greenpeace/Handout/Files

BP Oil Spill One Year On

11. An aerial view shows controlled burning of oil from the Deepwater Horizon gulf oil spill in the Gulf of Mexico in this May 19, 2010 handout file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Chief Petty Officer John Kepsimelis/U.S. Coast Guard/Handout/Files

BP Oil Spill One Year On

12. Oil floats on the surface of the Gulf of Mexico around a work boat at the site of the Deepwater Horizon gulf oil spill in this June 2, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

13. Protesters hold up signs behind BP America Chairman and President Lamar McKay (C) before he testifies at the Senate Homeland Security and Governmental Affairs Committee hearing on Capitol Hill in Washington, on the Deepwater Horizon gulf oil spill in this May 17, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Kevin Lamarque/Files

BP Oil Spill One Year On

14. Greenpeace activists paint over a banner with the British Petroleum (BP) logo at St. Stephen's square in Vienna, during a protest against the Deepwater Horizon gulf oil spill in the Gulf of Mexico in this July 7, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Lisi Niesner/Files

BP Oil Spill One Year On

15. People walk past a bottle coated with oil from the Deepwater Horizon gulf oil spill in Pensacola Beach, Florida in this June 4, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Lee Celano/Files

BP Oil Spill One Year On

16. An exhausted oil-covered brown pelican sits in a pool of oil from the Deepwater Horizon gulf oil spill at Queen Bess Island Pelican Rookery, 3 miles (4.8 km) northeast of Grand Isle, Louisiana in this June 5, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

17. Environmental Defense Fund (EDF) coastal scientist Angelina Freeman takes a sample of oil from the Deepwater Horizon gulf oil spill while surveying the conditions of Bartaria Bay near Venice, Louisiana in this June 6, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

18. A hard hat from an oil worker lies in oil from the Deepwater Horizon gulf oil spill on East Grand Terre Island, Louisiana in this June 8, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Lee Celano/Files

BP Oil Spill One Year On

19. A bird carcass covered with oil from the Deepwater Horizon gulf oil spill is pictured on a beach in Grand Terre Island, Louisiana in this June 9, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Lee Celano/Files

BP Oil Spill One Year On

20. Smoke billows from a controlled burn of the Deepwater Horizon gulf oil spill off the Louisiana coast in the Gulf of Mexico in this June 13, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

21. Pelicans covered in oil from the Deepwater Horizon gulf oil spill sit in a pen waiting to be cleaned at a rescue center facility set up by the International Bird Rescue Research Center in Fort Jackson, Louisiana in this June 7, 2010 file photo. When BP's Deepwater Horizon oil rig exploded and sank in the Gulf of Mexico last April, killing 11 workers, authorities first reported that no crude was leaking into the ocean. They were wrong. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner/Files

BP Oil Spill One Year On

22. Oiled and dead marsh grass due to the BP oil spill mixes with new growth along the banks of Barataria Bay near Myrtle Grove, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. REUTERS/Sean Gardner

BP Oil Spill One Year On

23. A healthy brown pelican flaps its wings along Cat island in Barataria Bay near Myrtle Grove, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

24. Healthy Roseate Spoonbills fly over Cat island in Barataria Bay near Myrtle Grove, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

25. Healthy brown pelicans are pictured along Cat island in Barataria Bay near Myrtle Grove, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

26. Oiled and dead marsh land due to the BP oil rig explosion is seen along the banks of Barataria Bay near Myrtle Grove, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

27. A worker takes soil samples of an island in Barataria Bay to determine if the island needs to be cleaned again near Myrtle Grove, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

28. Oiled and dead marsh grass mixed with absorbent boom is seen on the banks of Barataria Bay due to the BP oil spill near Port Sulphur, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

29. Oiled and dead marsh grass mixed with absorbent boom is seen on the banks of Barataria Bay due to the BP oil spill near Port Sulphur, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

30. A crane stands on oiled and dead marsh grass mixed with absorbent boom is seen on the banks of Barataria Bay due to the BP oil spill near Port Sulphur, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

31. Oiled and dead marsh grass is seen on the banks of Barataria Bay due to the BP oil spill near Port Sulpher, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

32. Oiled and dead marsh grass stumps due to the BP oil spill poke through the marsh along the banks of Barataria Bay near Port Sulpher, Louisiana March 31, 2011. BBP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

33. Oiled and dead marsh grass stumps due to the BP oil spill poke through the marsh along the banks of Barataria Bay near Port Sulpher, Louisiana March 31, 2011. BBP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

34. Oiled and dead marsh grass due to the BP oil spill mixes with new growth along the banks of Barataria Bay near Port Sulphur, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

35. Oiled and dead marsh grass mixed with absorbent boom is seen on the banks of Barataria Bay due to the BP oil spill near Port Sulphur, Louisiana March 31, 2011. BP's well leaked more than 4 million barrels of oil (168 million gallons/636 million liters) after the Deepwater Horizon drilling rig exploded 9:53 p.m. CDT on April 20 last year (0253 GMT on April 21), killing 11 workers. One year on, oil from the largest spill in U.S. history clogs wetlands, pollutes the ocean and endangers wildlife, not to mention the toll it has inflicted on the coastal economies of Florida, Mississippi, Alabama and especially Louisiana. Photo taken March 31, 2011. REUTERS/Sean Gardner

BP Oil Spill One Year On

36. Healthy Brown pelicans sit along Cat Island in Barataria Bay near Myrtle Grove, Louisiana March 31, 2011. Cat Island was heavily impacted with oil due to the BP Oil spill disaster last year. The UK energy giant's well leaked more than 200 million gallons of oil after the Deepwater Horizon drilling rig exploded on April 20 last year, killing 11 workers. REUTERS/Sean Gardner

Apr 20, 2011