Complete the sentences with your own ideas.
1. If we plant more trees now, .... .
2. People will have a better environment in the future if .... .
3. If we get a special environmental education, we .... .
4. People would rather not throw litter in the streets ..... .
5. If people grow vegetables and fruit in their own garden ..... .
6. The farmers would rather not use chemicals to kill pests ..... .