Azerbijan, Polluted wasteland with nodding donkey of oil field near Baku.

Environment, Air, Pollution, City skyline with heavy smog in Santiago, Chile.

Environment, Pollution, Factory omitting plumes of smoke from chimneys in Santiago, Chile.

Wales, Dyfed, Stackpole Quay, Workers clearing beached oil from grounded tanker the Sea Empress in 1996.

Greece, Central, Athens, Cityscape and smog.

Sri Lanka, Colombo, Egrets and jackdaws in shallow polluted river.

India, Uttar Pradesh, Varanasi, Scum and remnants of flower offerings float around the steps of the ghats on the River Ganges.

Russia, Black Sea, Aerial view over polluted waters.

Environment, Water Treatment, Close up of an Archimedes Screw in Kinderdyke Pumping Station in Holland.