2. Try to take a bus.

3. Promote walking and cycling.

Step 4 save food

5. Refuse to use disposable items.

Five good citizens among students:

1, at home, I am my parents' little helper;

At school, I am a student who listens to the teacher.

3. I am an honest and trustworthy partner in the interaction with my classmates;

4. I am a law-abiding citizen in public places;

5. In my life, I am a little guard who cares for public property, pays attention to hygiene, protects the environment, observes discipline and is diligent and thrifty; When I am alone, I am still an innovative master.