环境污染 英文版重点.ppt

Our Relationship With Nature Fifth group Haze is air pollution in which is mixed up with dust smoke and other dirty particles and it obscure the clarity of the sky. Recently, haze weather has become an outstand problem in large part of China. Manufacturing operations and many factories emit a great deal of wasted air The increase of cars in the city area is not only give us convenience,but also can emit a lot of poisonous gas The haze weather may have negative effect on peoples health The mass media should exposure more about haze.Relevent laws and regulationts should be perfect Public transport Cycling trip Today tomorrow ` We just live in an only earth. Let’s try our best to protect our common hometown from now from ourselves