RMCFNN8H–Tower Bridge emerging through London's smog on a day of record pollution

RMEMAMWG–Heavy smog lies in the morning air with an easterly view of Tower Bridge in London showing pollution from carbon emissions

RMD57JJR–Air pollution in the sky of Shanghai, view from the top of the Jinmao tower - shanghai, China

RMEW3WGN–Smoke from factory releases air pollution and greenhouse gases.

RMD8AWD7–Karaganda - air pollution by steel-works ( Arselor Mittal Temirtau )

RMCF5CT8–Pollution from petrochemical plant near Guadarranque, Cadiz Province, Spain.

RMRNWKWP–Traffic and pedestrians in hazardous levels of air pollutioN in Cyber City, Gurugram, India

RMEH0G5J–Asia Pollution - A dog foraging on a rubbish heap - example of severe pollution; Mandalay, Myanmar ( Burma ), Asia

RMDB927F–Air pollution, Dunedin, South Island, New Zealand

RFJ32BPY–Coal fired power station air pollution, USA

RMCT6TP0–Coal power station co2 emissions and Air pollution UK from the Cooling towers of Ratcliffe on Soar coal fired power station Nottinghamshire England UK

RMFFXG8D–Mist, fog or smog pollution in a hazy skyline of Hanoi viewed over Westlake, Vietnam, January

RFBP25TD–a plastic bottle abandoned into water, pollution concept