Nowadays, the problem of impact of growth of cities on environment causes great argument and controversy. Some people believe that the emergence of new cities is disastrous for the environment, while others have an opposite point of view. I woud like to express my personal opinion on this issue.

It seems to me that the increase of cities has a horrible influence on ecology. To begin with, people destroy a lot of forests for building new cities. What is more, there are a plenty of vehicles in cities. Carbon dioxide, which is given off by cars, buses and motorcycles, pollute the atmosphere. Additionally, people establish a lot of factories for producing materials, which are used for building new cities. These factories pollute the environment.

However, there exists another opinion on the problem. Some people think that if we create a lot of new cities, it will not be