Trends in pollution

The anticipated quintuplication of gross national product in the USA over the next 30 years, is indicative of probable industrial expansion throughout the world that will be complemented by the equivalent growth in the disposal of waste products. In this article, climate alterations, thermal pollution, threats to oxygen balance, and radiation and poisoning from heavy metals are examined. In the light of this the prediction is made that despite current concern with pollution, it will prove minimal compared with the situation 20 years hence.