The environment issue has always been a hot topic for film. Through other stories related to the environment, watcher can clearly aware of these changes of the human life when we are destroying the environment around us.
Chinatown is also a film belonging to the environment topic. However it was launched in 1974- from nearly 50 years ago. The fact that we can predict disasters from the environment from many years ago, but we refuse and take other actions to destroy survival of our lives.