Water is said to be the "Elixer of Life". The dictionary meaning of 'Elixer' is 'a magic liquid that is believed to cure illness or to make people live forever'. Life originated and evolved in water. The water content of animal body is more than 70%. All forms of life depend on water and life is not possible without water. [...]
Water pollution is a major environmental problem. The main desirable uses of water are: (a) Municipal water supply, (b) Industrial water supply, (c) Recreational uses such as swimming, boating, aesthetics, (d) Agriculture and fisheries, and (e) Ecological balance. For each of these uses there are certain water quality requirements. Major water quality problems arise through interference with various uses of [...]
Air pollution is one of the major environmental problems throughout the world. The Environment (Protection) Act, 1986 of India has provisions to regulate environmental pollution {e.g., the standards of quality of air, water and soil for various areas and purposes) and the maximum allowable limits of concentrations of various environmental pollutants for different areas are also laid down. These National [...]