Following the rapid increase of the world population,more arable lands were required to feed those extra mouths and land to build on for them to live in.On top of that,more resource and energy were also needed to keep the world's industries going.Therefore a lot of natural habitat of wild life had been destroyed for the above reasons.If urgent measures are not being taken,then these wild life will extinct like those dinosaurs and dodo's.Many western civilised countries had set various of wild life protection societies.Even China are doing something to keep the pandas from disappearing from the Earth's surface.India and Bangladesh are paying a lot of attention to their tigers too.But if people want to keep their other companies on Earth then there are still a lot of works have to be done.
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