Twentieth century has witnessed a gigantic revolution in the field of science and technology. It has enabled man to harness the forces of nature, conquer distances and bring about  revolution in the methods of industrial and agricultural production. Scientific knowledge and technical innovation have vastly helped in improving the life of man, and removing diseases and ignorance. But'they have not helped in creating :environment which could be favorable to life's full worth. Man has sadly created an imbalance between himself :and nature. The very instruments which were supposed to help -man, have created many problems. Today man stands on the brink of annihilation as a result of environmental pollution