Forest is the lungs of the earth
Destroying the forest is the same as destroying our own life-support system. A single tree in the park can only produce little amount of oxygen, while a forest which contains thousands or even millions of trees can produce millions times more. Earth’s population is keep growing, and our technology is rapidly increasing. This situation leads to the rise of carbon dioxide concentration in the atmosphere. However, over the past half century, the Earth’s forests have been reduced greatly. The destruction about 14.6 million hectares of forest in the last dozen years makes the earth getting hotter. The average global temperature over the past 50 years has increased at fastest rate in recorded history. And the trend is accelerating, the 10 hottest years on record have all occurred since 1990. If this situation continues, scientists believe that the average global temperatures could be 3 to 9 degrees higher by the end of the century. We can take another point of view to understand the caused of forest destruction. Consider the earth as a living organism, and the forest as its lungs. If the lungs have been destroyed, all cells inside the organism wouldn’t be able to get clean oxygen and eventually died. In this case, we – all living creatures on earth – are the cells.
So it is obvious that we need forest to continue our lives, since destruction of the worlds forests amounts to death of the world we currently know. Let's do what we can to protect our trees and forests.
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