Environmental impact of the Deepwater Horizon oil spill Environmental impact of the Deepwater Horizon oil spill The 2010 "Deepwater Horizon" oil spill in the Gulf of Mexico has been described as the worst environmental disaster in the United States, releasing about of crude oil making it the largest marine oil spill. Both the spill and the cleanup efforts had effects on the environment. The oil spill was called the "worst environmental disaster the US has faced" by White House energy adviser Carol Browner. The spill was by far the largest in US history, almost 20 times greater than the usual estimate of the Exxon Valdez oil spill. Factors
Oil reserves in Mexico these problems, in September 2007, Mexico’s Congress approved reforms including a reduction in the taxes levied on Pemex. Most of Mexico's production decline involves one enormous oil field in the Gulf of Mexico. From 1979 to 2007, Mexico produced most of its oil from the supergiant Cantarell Field, which used to be the second-biggest oil field in the world by production. Because of falling production, in 1997 Pemex started a massive nitrogen injection project to maintain oil flow, which now consumes half the nitrogen produced in the world. As a result of nitrogen injection, production at Cantarell rose from in