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at the conference? A girl and a boy dirty air and smoke pipe,waste water pollution Reading: 1. What subjects does the conference deal with? 2. Why was the conference called “Saving the earth”? 3. What causes damage to the in the text. 4. What will happen if we do not pay attention to the problems of population and pollution? Pollution and population It was all about the damage that is being caused to the world people’s habits world won’t be fit for us to live in. standing room left for us next century. Language points 1. If we go on polluting the world, it won’t be fit for