Leilani Munter was also featured in the new TV series Fast Forward on Planet Green, which profiled her environmental efforts in racing. Münter was one of the first celebrity activists to visit the BP Oil Spill; she arrived in Venice, Louisiana on May 2, ten days after the Deepwater Horizon sank to the bottom of the Gulf of Mexico, the same day President Barack Obama arrived. She spent a week at the spill, documenting her experience there. On July 13, 2010, Münter returned and toured areas of Louisiana affected by the BP Oil Spill as part of a Sierra Club sponsored event
Volume and extent of the Deepwater Horizon oil spill silts and sands onshore. On 26 May 2011, the Louisiana Department of Environmental Quality extended the state of emergency related to the spill. In April 2012, oil was found dotting of Louisiana's coast. As of December 2012, of coastline remain subject to evaluation and/or cleanup operations. On 15 May 2010, researchers from the National Institute for Undersea Science and Technology, aboard the research vessel "RV Pelican", identified oil plumes in the deep waters of the Gulf of Mexico, including one as large as long, wide and thick in spots. The shallowest oil plume the group detected was at about ,