必威体育精装版环境保护英文课件.pptVIP

Environmental Pollution and Protection mis huang Introduce Basically speaking, the environment is the world we live in, and the natural surroundings. There is much talk about the effect man is having on the environment as we continue to spread our cities, produce garbage, chop down trees for wood and paper, and initiate many other harmful attacks on “mother nature”. Environmental Pollution ? Water pollution ? Air pollution ? White pollution ? Noise pollution Water pollution There are almost 1.39 billion cubic water on earth, but we can only take advantage of o.65%. Now part of the water has been seriously polluted, and the reasons are various. Water pollution Water pollution Air pollution With the rapid development of economic activity and production, a large number of exhaust gas is discharged into the air. It has seriously affected the quality of atmospheric environment, especially in densely populated urban and industrial areas. Air pollution 大家有疑问的，可以询问和交流 可以互相讨论下，但要小声点 Air pollution White pollution White pollution means that plastic garbage polluted the environment. All kinds of plastic products can be Littered casually, which caused seriously environmental pollution. White pollution White pollution Noise pollution All voice that interfere with the normal life of people is noise, it includes traffic noise, industry noise, building noise, family noise ,and so on. Noise pollution ? Cant stand with: 150dB~130dB ? Feel pain: 130dB~110dB ? A little noisy: 110dB~70dB ? Quiet: 70dB~50dB ? Very quiet: 50dB~30dB ? Extremely quiet: 30dB~10dB ? No sound: 0dB What the pollution brings to us Environmental pollution is becoming Serious, so what the pollution brings to us? In my view, there are three main aspects: ? Bring disease to us ? Animal death and extinction ? Deterioration of the ecological environment ? Bring disease to us