The Environmental crisis : mans struggle to live with himself /
Edited by Harold W. Helfrich, Jr.
- New Haven : Yale University Press, 1970.
- x. 187 p.
"Based on the lecture series organized by the Yale School of Forestry with funds from the Ford Foundation".
Pollution.
Natural resources.
Nature--Effect of human beings on.
"Based on the lecture series organized by the Yale School of Forestry with funds from the Ford Foundation".
Pollution.
Natural resources.
Nature--Effect of human beings on.