Japan and the United States promoting urban river health
Throughout human history, rivers have been an essential component in the successful development of a society’s trade, commerce, wealth and knowledge. We depend on rivers for transportation, to provide food and problematically to absorb and carry away our waste products. Virtually all water pollutants are hazardous to humans as well as lesser species. Some contaminants are carcinogenic. Urban river health in the United States and Japan as well as other industrialized nations has declined steadily throughout the first seventy years of the twentieth century due to the dumping of large amounts of raw sewage and industrial pollutants into rivers. Before the 1970’s there was virtually no data on water quality… Read More »Japan and the United States promoting urban river health