Alcatraz Island 6, 2008, the Alcatraz Island Global Peace Center Proposition C failed to pass, with 72% of voters rejecting the proposition. The coastal environment of the San Francisco Bay Area has caused deterioration and corrosion of building materials throughout Alcatraz. Beginning in 2011, the National Park Service began major renovations on the island, including the installation of solar panels on the cell house roof, slope stabilization near the Warden's House and the stabilization and rehabilitation of the outer cell house walls. Recently, Alcatraz has been home to several art installations. The Chinese artist/dissident Ai Weiwei staged an exhibition which explored "questions
Occupation of Alcatraz here. We would like to think that Alcatraz lives on in part through Ft. Lawton." Occupation of Alcatraz The Occupation of Alcatraz was an occupation of Alcatraz Island by 89 American Indians and supporters, led by Richard Oakes, LaNada Means, and others. They chose the name Indians of All Tribes (IOAT) and John Trudell was the spokesperson. According to the IOAT, under the Treaty of Fort Laramie (1868) between the U.S. and the Lakota, all retired, abandoned or out-of-use federal land was returned to the Native people who once occupied it. Since Alcatraz penitentiary had been closed on March 21,