Answer: Below
Step-by-step explanation:
You can encourage for people to plant trees, maybe try to organize plans at your school with some other students. Trees absorb pollution chemicals in the air and filter dirty particles out of the air by trapping them on their bark and leaves
You can encourage your parents and other close adults to don't use their car as much, it would be good for the environment, and good for the adults as walking and biking can be a workout, if you have to use a car you can, I also encourage using public transportation and carpooling, where lots of people can get their destination at the same time using the same vehicle