Water pollution is a major problem in the global context which is usually caused by human activities making water unsuited for the desired use. Freshwater (drinking water) is a problem for about half of the world’s population. Changes in Chemical, physical or biological quality of water has a harmful effect on any living thing that drinks or uses or lives (in) it. America’s lakes–46% are too polluted for fishing, swimming, or aquatic life, two-thirds of US estuaries and bays are either moderately or severely degraded from eutrophication (nitrogen and phosphorus pollution). (more…)
