These days, every news paper is filled with various articles on global warming or pollution problems and much more.  Some people are also saying that earth will be destroying in 2012.  Scientist has proven all such stories wrong, but also has warned the entire nation towards the pollution problem.  If the pollution is not controlled then defiantly the earth will destroy in near by future.  The increasing use of petroleum products, vehicles, industrial pollution and many more are some of the ...