We affect the air. Bad ozone can affect the environment. We put ozone in the air by exhaust from automobiles. Particle pollution can affect animals in a negative way. Dust, soot, dirt, ect. can get in our lungs and effect us. Over the past 19 years the percentage of humans with asthma has increased by 9.4%. Global Warming is faster than ever. We to stop this! How can we? We can demand the use of electric cars, demand environment safe paints, and don't use motorized lawn equipment.