More than ever the planet earth is losing its vitality and freshness. Due to human development activities throughout the globe the earth has become highly polluted, highly irrepairable and highly damaged. We have taken out petroleum, coal and a lot of natural resources from the earth. We have removed more than half of world's vegetation and emitted large quantity of carbon and a lot of other chemicals. We have destroyed marine life and made rivers dry. Moreover our greed for more and more wealth resulted in depleting the protective ozone layer and invited all harmful rays to the earth's surface. Besides, we have brought out a great imbalance between humans and the other species of the earth.
