By the late 20th century, as these Indian communities sought to gain that recognition, their efforts have been continuously hampered by a series of environmental disasters, caused by both the regulation of the Mississippi River and the effects of oil and gas extraction, which have not only caused a modern displacement as they are literally pushed inland by land loss, but have also left them increasingly exposed to hurricanes and catastrophic oil spills, such as the one in 2010. While much has been written about the complexities involved in the acknowledgement process, this paper argues that in South Louisiana, the politics of tribal sovereignty and recognition are intimately connected to both the changing environment and changing ideas about the environment of the delta region itself.