If you want to keep this world if you do you need to keep the air the water clean if we don’t have have any clean air we won't have any oxygen to pump our hearts and if we don't have any clean water we won't have any water to keep our body hydrated No pollution no. No pollution no We need to stop global warming because it is making the sea levels rise Florida could go back to old times. Polar bears are going extinct. and if we don't have any clean water we won't have any water to keep our body hydrated No pollution no. No pollution no