英语Report 环境污染.pptVIP

Environmental Pollution;Environmental Disaster;Mexico Gulf Oil Spill;Dead Pig Event;Water Polution;  ;Other districts—Australian Forest fire .;On December 5 to 9 of 1952 a serious atmospheric pollution happened in London. The city of fog was shrouded in a gloomy. This incident caused as many as 12,000 people died because of air pollution, the direct reason is that the sulfur dioxide(二氧化硫) and dust pollution of coal produced, 1952 London smog event by environmentalists as one of the major environmental disasters in the 20th century, and as the typical case of air pollution appeared in a number of environmental science textbooks.; On January 28, fog and haze yellow warning, Beijings air pollution index（污染指数） of 517, PM2.5 concentrations（浓度） up to 526. The Chinese capitals air pollution has reached the degree of harm people health, inhaling（吸入） of air like this will let the tiny particles(颗粒) into the respiratory system （呼吸系统）and cause the respiratory system infection, improve lung cancer and heart disease mortality(死亡率). Nearly a month , Beijings air quality seriously polluted, fog haze weather continues. Tastes of coal dust and automobile tail gas are full in the air, the main cause of air pollution in China is that large-scale coals consumption and motor vehicles use;Household Waste Pollution;Gas tail Pollution;Factory waste gas Pollution;What shoud we do ?;