Ответы и объяснения

2014-02-05T17:36:49+04:00
1. How many rivers were polluted or cleaned?
2. Have new trees been planted?
3. What people  educate about environment in schools?
4. How can we protect the rain forests?
5. Can we organize some special  demonstrations to improve the situation?
6. Have people sent petitions to local centre about environmental problems?