American Experience

Season 4, Episode 11: Wild by Law

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For years there was no federal law to protect the shrinking wilderness from encroaching industry and tourism, until three men dedicated their lives to finding a remedy. Robert Marshall, Aldo Leopold, the prophet of the modern environmental movement, and Howard Zahniser struggled for decades to create a permanent system of federally protected wilderness areas. The fruit of their efforts, the Wilderness Act, passed in 1964.