Efforts to stem the Deepwater Horizon oil spill Efforts to stem the Deepwater Horizon oil spill Efforts to stem the "Deepwater Horizon" oil spill were ongoing from the time that the "Deepwater Horizon" exploded on 4/20/2010 until the well was sealed by a cap on July 15, 2010. Various species of dolphins and other mammals (61 casualties), birds (2,095 casualties), and the endangered sea turtles (467 casualties) have been killed either directly or indirectly by the oil spill. The "Deepwater Horizon" spill has surpassed in volume the 1989 "Exxon Valdez" oil spill as the largest ever to originate in U.S.-controlled waters; it is comparable to the 1979 Ixtoc
2000 Guanabara Bay oil spill approval of the transportation vessels to minimize or eliminate spillage. - There had to be strict approval policies that required stable channels and vessels for the transportation of oil within the environment. 2000 Guanabara Bay oil spill The Guanabara Bay oil spill, one of three major spills in the bay, occurred in January 2000 in Brazil when a leaking pipeline released of oil into Guanabara Bay. It leaked from the oil refinery at Duque de Caxias (REDUC) operated by Petrobras. Petrobas the company at the center of the oil spill immediately moved into gear and hired a cleanup crew to