1.Acid rains, global warming, air and water pollution, overpopulation are the problems that threaten human life on Earth.
2. The answer is simple: all of us.
3.Our forests are disappearing because they are cut down or burnt. If this trend continues, one day we wont have enough oxygen to breathe.
4.They are filled with poison: industrial and nuclear waste, chemical fertilisers and pesticides
5.If nothing is done about it, one day nothing will be able to live in the seas.
6. No, of course no! every created being has the right to life,life can not be interrupted
7.In Cairo just breathing the air is dangerous — equivalent to smoking two packs of cigarettes a day. The same holds true for many Russian cities.
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