1. Factory emissions against a backdrop of lush greenery
Whilst every major capital city is prone to pollution, smog and poor air quality, Beijing already ranks as one of the worst. The situation isn't much better in rural China either, with polluted lakes, rivers filled with garbage, poisoned wildlife and the unrelenting drive for more dirty factories polluting the air.
They do say a picture is worth a thousand words, so what better way to put the utter plight of China into perspective with these 20 shocking and deeply troubling images. Could this be the future for us all? Or is there still time to reverse the damage caused?