FILE – In this Nov. 24, 2014 file photo, smoke streams from the chimneys of the E.ON coal-fired power station in Gelsenkirchen, Germany. The International Energy Agency said Monday June 27, 2016 that each year about 6.5 million deaths worldwide are linked to air pollution and warns that the number will grow unless the energy sector steps up its efforts to slash emissions. (AP Photo/Martin Meissner, File)