We all know that smoking is harmful to health, but not many people know that smoking will pollute the environment. Because smoking is toxic carbon monoxide, smoking not only harms one's health, but also harms people around him.

Please give up smoking for the sake of our living environment, ourselves and people's health. No smoking.

We all know that smoking is harmful to health, but many people don't know that smoking also pollutes the environment. Because smoking releases toxic carbon monoxide, smoking not only harms your health, but also harms people around you.

Please give up smoking for the sake of our living environment and the health of ourselves and the people around us.