Unwelcome Harvest

Agriculture Pollutes: pesticides can destroy wildlife and some are toxic to humans; some fungicides and herbicides cause cancer. Nitrates result in the contamination of drinking water and produce the risk of the �blue-baby� syndrome in infants and of stomach cancer in adults. Agriculture produces methane, ammonia, nitrous oxide and the products of burning off, all of which add to the world's problems of acid rain, depletion of the ozone layer and global warming. This book, which focuses on the U