the whole world in the city's air quality is becoming worse and worse

90% world city air pollution exceeded the WHO standard which Africa and Southeast Asia the most serious

international online Zhuangao: according to the German "Bild" reported on May 7th, recently, WHO (WHO) said in a report, Cheap Throwback Jets Jerseys the whole world in the city's air quality is becoming worse and worse, which Africa Cheap Throwback Falcons Jerseys and Southeast Asia is the most Cheap Throwback Steelers Jerseys serious situation.

WHO said, pollution degree 90% of the world's city dwellers breathe Cheap Throwback Cardinals Jerseys air are Cheap Throwback Browns Jerseys significantly higher than the set limit value. It is reported, the main pollution source of city air is an automobile tail gas and coal, oil and natural gas combustion.

(original title: 90% of air pollution in city the world over WHO standard Africa Southeast Asia's most serious)