thanks haze PM = SO2 + N&O + 2.5 Influence dail ylife Influence harm What can be done? common people What can be done? 120 100 80 60 40 20 0 一月 二月 三月 四月 亚洲区 欧洲区 北美区 Haze is coming the more and more serious haze China Meteorological has released the orange warning of haze. Are you feeling the haze in Changsha? element company What can be done? •Technology Leabharlann Baidu •plant more trees •punishment government ···· ·· & blue gray sky we must protect the environment and nature we need pure air