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 collected before it could enter the Gulf waters. In its permit to drill the well, BP estimated the worst-case flow at . Immediately after the explosion the USCG did not estimate any oil leaking from the sunken rig or from the well. On 24 April, USCG Rear Admiral Mary Landry announced that a damaged wellhead was indeed leaking. She stated that "the leak was a new discovery but could have begun when the offshore platform sank . . . two days after the initial explosion." Initial estimates by USCG and BP officials, based on remotely operated vehicles as well as