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
Rena oil spill Rena oil spill The "Rena" oil spill occurred off the coast of Tauranga in New Zealand. The spill was caused by the grounding of on the Astrolabe Reef. The "Rena" was a container ship and cargo vessel owned by the Greek shipping company Costamare Inc., through one of its subsidiary companies, and chartered by the Mediterranean Shipping Company (MSC). The spill has been described as New Zealand's worst maritime environmental disaster. On Wednesday, 5 October 2011, at 2:20 AM (Tuesday, 4 October 13:20 UTC) while sailing in clear weather from Napier to Tauranga, at a speed of , "Rena" ran