National Geographic Documentaries

National Parks : Playground or Paradise (15x3)

Fecha de emisión: Mar 11, 1981

Presents both sides of the ongoing debate between conservationists and environmentalists over the use of the national parks. Visits to Yellowstone, Yosemite, and the Grand Canyon point out the dilemma as attorney Eric Julber and professor of history and environmental studies, Roderick Nash, debate the issue.