Spread of Deserts (Paperback, New ed)

Each book in the "Conserving Our World" series examines a topical issue concerning the environment, threats posed to our planet and the international measures which must be taken to preserve our ecology.;This volume explores the spread of deserts, emphasizing the global nature of the problem and ways of dealing with it. The author describes natural desert environments and how many forms of life have adapted to desert conditions. He goes on to explain how many regions of the world, which until recently were fertile, have now become deserts. The devastating impact of this on people and on the environment is discussed, as well as the factors which cause the spread of deserts.