Conservation and environmentalism an encyclopedia

Conservation and environmentalism an encyclopedia

McGraw-Hill encyclopedia of environmental science and engineering

McGraw-Hill encyclopedia of environmental science and engineering editors in chief, Sybil P. Parker.

The green encyclopedia von Franck, Irene M.

Contributor biographical information
Publisher description

The encyclopedia of environmental studies von Ashworth, William 1942-

The encyclopedia of environmental studies von Ashworth, William 1942-