21st-century fossil fuel regulations in the United States spill has been the Deepwater Horizon spill of 2010. With the exception of Kalamazoo River (2010), all other major spills have occurred around the Gulf of Mexico. In May 2010, the United States Department of the Interior called for an end to drilling in the area of the Deepwater Horizon spill. Despite pushback from oil companies and states, the Supreme Court ruled to keep the moratorium in place until October 2010. BP agreed to financial compensation for the damage they caused, including payouts to the Deepwater Horizon Oil Spill Trust. Regulations drafted after the accident required oil companies to update
Volume and extent of the Deepwater Horizon oil spill in August 2010. USF's David Hollander remarked, "Oil's presence on the ocean floor didn't diminish with time; it grew" and he pointed out, "the layer is distributed very widely," radiating far from the wellhead. In 2013, some scientists at the "Gulf of Mexico Oil Spill and Ecosystem Science Conference" said that as much as one-third of the oil may have been mixed with deep ocean sediments and dragged to the bottom of the ocean floor where it remains, risking damage to ecosystems and commercial fisheries. Oil at or near the site of the spill following well closure has suggested to