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There once was a time when people thought of the environment, they thought of its beauty;but now as the natural beauty of the earth that once was disappears,many people around the world have awoken to the realities of just how fragile our earth actually is. Central to this issue is pollution,which involves the introduction of harmful substance into the air,land,and water Although pollution has been occurring throughout the earths history, the rate by which the human species have contributed to the amount of pollution that has entered our environment over the past several hundred years far exceeds earths inherent ability to heal itself.
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