Car pollution damages the ozone layer and causes global warming by releasing gases such as carbon dioxide into the air. When we breathe in car pollution, it can be as harmful as smoking a pack of cigarettes. To reduce car pollution, the document recommends carpooling, biking, walking for short distances, combining errands into one trip, avoiding drive-thrus, using cruise control, and driving hybrid, electric or solar powered vehicles. Following these tips can help save the earth and humanity from the harmful effects of car pollution.