text: To move foward, Global Warming has become a really big issue for us. All the pollution that Planet Earth gets from cars is absurd! Cars release so much gas and harmful substances that we breathe in. It doesnt only affect us but animal too and all living things. Now the smog has gotten way worse. Paris has a huge percent of smog covering the city that even France has enforced a partial driving ban to clear the air of the city. Congestion has gone down to 60 percent. Beijing, China is known as one of the most polluted city in the world. Now everywhere you go even if its really cold nights arent as cold as they used to be. Cold nights and warm days have caused the warmer layer of air to trap car emissions.