It was with the beginning of agriculture, animal husbandry and settled life that the destruction of natural ecosystems started. Expanding human establishments needed space which was obtain” at the expense of natural vegetation which in turn was modified or destroyed. A number of products, such as food, timber, firewood, fruits and nuts come from forests. Human need, therefore, started a systematic exploitation of forest wealth which intensified as the size of human population grew. Exploitation turned into over-exploitation. Even the technological advancement of modem times could not reduce society’s dependence on forest products. As Nations develop, wood remains the basic raw material for construction, furniture, railway ties, paper cellophane, rayon, plastics and so many things.