Some people imagine to leave this fearful world, only to come down to earth. Scientists tell us that of all the stars known in the vast universe, the earth is the only planet on which human beings can survive. But now we are facing the risky problems concerning our existence on earth.
Worldwide environmental deterioration (恶化) is alarming. The earth is plagued with population explosion, energy crisis, lack of food, housing problem and environmental pollution. During the process of industrialization, human beings are pursuing crazily the benefits from the economic growth. Now we have suffered from the results. The overuse of natural resources has affected ecosystem(生态系统) on earth.
As is shown above, our development is gained at the expense of our environment. Environmental protection has a far reaching influence on the sustainable (可持续的`) development of the global economy. Some measures to protect our only home, must be taken to handle appropriately the relationship between economy and ecology(生态).
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