When there are more population. Transport on roads is more because everyone has a car and vehicle emissions and pollution, smoke, which is the destruction of the environment, including humans.
When populations are increasingly Traffic on the roads has increased. Since everyone has a car And vehicle emissions. Which pollutes the environment, including humans.
When the population is more, transportation on the road are more and more, because all cars and cars release smoke. Pollution that destroy the environment, including humans.