Wilderness and the American MindYale University Press, 1973 - 300 pagina's Describes how man through farming, industry, clearance of forests, and population growth began to change the earth and bring about critical shortages of natural resources. |
Wilderness and the American MindYale University Press, 1973 - 300 pagina's Describes how man through farming, industry, clearance of forests, and population growth began to change the earth and bring about critical shortages of natural resources. |