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
Deepwater Horizon oil spill more than wide and deep. In a major study on the plume, experts were most concerned about the slow pace at which the oil was breaking down in the cold, water at depths of . In late 2012, a study from Georgia Tech and Universidad Autonoma de Aguascalientes in Environmental Pollution journal reported that Corexit used during the BP oil spill had increased the toxicity of the oil by 52 times. The scientists concluded that "Mixing oil with dispersant increased toxicity to ecosystems" and made the gulf oil spill worse." The three basic approaches for removing the oil from the