1. There are a lot of different environmental problems such as air pollution, water pollution, nuclear pollution and so on
2. As for me, this problem is very actual nowadays and it must be discussed.
3. I feel upsat. I understand that all this problems happen because of people indefference. It is awful and I thinl after some years we will not able to see a lot of species of birds and animals.
4. Firstly, it is to collect paper and after that reduse it and recicle. Secondly, not to cut down trees. What is more, I shouldn't throw away waste.