The Rhine looked like that shitriver 100 years ago. It doesn't any longer. And not because everything was sent to China but because we could afford to spend the money to clean up the environment. Peak oil is not an energy crisis. It is a liquid fuel crisis.
The world is full of these stories of shitholes that actually were cleaned up, and the environment here in Sweden hasn't been as clean in a 100 years as it is today. Peak oil is not an energy crisis. It is a liquid fuel crisis.