About two hundred years ago, man lived in greater harmony with his environmentbecause industry was not much developed. Today the situation is quite (1)..... . People allover the world are worried about what is (2)..... to the environment because of modernindustry and the need for more and more energy. Newspapers and magazines write about waterpollution, air pollution and land pollution. Why is thereso much discussion about pollution ?After all, people have been (3).... the world around them for thousands of yearsIn the past, there were not many people, so they could move to other places when theirsettlements became dirty. Nowadays, garbage is produces in great amounts in every second. Themore people there are in the world,the more polluted it is. (4).... an end to this problem is notthe responsibility of an individual or a group or an organization. It must be the (5)...... ofthe whole humankind.
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Sinh Học lớp 12
