What are the solutions to these problems?

Варианты ответов и условие задания

1. global warming
2. air pollution
3. water pollution
4. deforestation
5. rare species extinction
6. to use alternative energy
7. hunting and fishing extinct species should be banned by the government, to protect and save (endangered) animals
8. to use public transport instead of cars
9. to use non-chemical biodegradable detergents
10. to protect forests, to plant more trees