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Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Our Countrys Environmental Problems,Word,Ecological environment,生态环境,Desertification,荒漠化,Salinization,盐碱化,Offscum,废渣,Mining,采矿业,Biological chain,生物链,Biodiversity,生物多样性,Wastewater,污水,World Health Organization,世界卫生组织,underground water,地下水,drinking water,饮用水,Water body,水体,Contaminate,污染,Rhine,莱茵河,Greenhouse effect,温室效应,Ground level ozone,地面臭氧,particulate matter,微粒物质,biological materials,生物材料,respiratory disease,呼吸疾病,stationary sources,固定污染源,Focal,焦点的,Quota,定额,Coordinate,使协调,Emission,发射,Afforestation,造林,Adsorption,吸附,Photosynthesis,光合作用,Phosphorus,磷,Filtration,过滤,Biodegradable,能被细菌分解的,Trash,垃圾,Consumption,消耗,Rectification,改正,global warming,全球变暖,gaseous system,气态系统,ozone depletion,臭氧枯竭,Ecosystem,生态系统,Pollutants,污染物,photochemical smog,光化雾,Countermeasure,措施,Propaganda,宣传,Ascendant,优势,Detergent,洗涤剂,Evaporative,蒸发的,word,Waste Pollution,WATER POLLUTION,The four basic natural resources are water,air,land and energy.We need water for multiple uses and a certain quality is required.Its use leads to the generation of wastewater that can cause an impact on the environment.,水，空气，土地和能源是四个基本的自然资源。水的用途多种多样，而且要求其达到一定的标准。但是，由于人类使用而产生的污水造成了对环境的影响。,Water pollution occurs when a body of water is adversely affected due to the addition of large amounts of materials to the water.,水污染是水体中添加大量其他物质而造成的负面影响,Drought,Pollution,Approximately 300 million nationwide have no access to clean water.Furthermore,over 700 million Chinese drink fetid water below,World Health Organization,standards.Almost 90%of underground water in cities is affected by pollution and 80%of Chinas rivers fail to meet standards for fishing.Almost all of the nations rivers are considered polluted to some degree and half of the population lacks access to clean,drinking water,.Ninety percent of urban water bodies are severely polluted.,全国约有,3,亿人使用不上干净的水，此外，有超过,7,亿中国人饮用的水没能达到世界卫生组织的标准，几乎,90%,的城市地下水受到污染，,80%,的中国河流不符合捕鱼标准，某种程度上说，几乎所有的河流都受到某种程度的污染，一半的人口缺少干净的饮用水，,90%,的城市水体受到严重污染。,ShuiYuBing events,水俣病事件（,1953-1956,）,Japan,bone pain disease events,骨痛病事件（）,1955-1963,）,Japan,poisonous substances contaminate the Rhine events,剧毒物质污染莱茵河事件,1986 Switzerland,Germany,France,The famous water pollution incidents,Air Pollution,Pollutants,Pollutants can be classified as,either primary or secondary.,Primary pollutants:,emitted from a process.,such as:,ash,from a volcanic eruption;,the,carbon,monoxide,gas from a motor vehicle,exhaust;,sulfur,dioxide,released from factories.,Secondary pollutants:,not emitted directly,they are produced,when primary pollutants react or interact.,An important example of a secondary pollutants,is,ground,level,ozone,it is one of the many,secondary pollutants that make up,photochemical smog.,Major pollutants produced by human activity include:,sulfur dioxide,:,from burning of coal and oil.,nitrogen dioxide,:from,high temperature combustion.,Carbon monoxide,:incomplete combustion,of fuel such as natural gas,coal or wood,.,Vehicular exhaust is a major source.,Carbon,dioxide,:a greenhouse gas,emitted,from combustion.,Chlorofluorocarbons,含氟氯烃,:,harmful to the,ozone layer,emitted from products banned,from use.,Particulate,matter,:produced by gaseous primary,pollutants and compounds in photochemical smog.,Indoor air pollution,Air pollution contained indoor air pollution.,chemical sources,physical sources and Biological,sources.,Decorative material pollution:formaldehyde,甲醛,ammonia,氨气,Countermeasures,Pollution,Garbage Pollution,Water Pollution,Air Pollution,Garbage Pollution,Change the way of production,Step up publicity,efforts to,promote green consumption,To encourage garbage collection,to the development of industry and,legalization,Carry out the charging policy,clean and green,toxic and hazardous substances,waste recycling,Media and publicize,to reduce waste output,green certified products,Water Pollution,Protect the water source area,Increase the urban sewage and industrial wastewater treatment efforts,Strengthen citizens awareness of protecting the environment,Realize the recycling of the waste water use,Reduce waste water and pollutants,Develop regional water pollution prevention and control system,Comprehensive consideration of the water resources planning,water use,the economic investment and natural purification ability,Air Pollution,Take all kinds of measures to reduce pollutants,overall planning,rational distribution,energy structure,raise rate,district heating and central heating,afforestation,afforest environment,With various kinds of professional technology,control of pollutants,Granular control of pollutants,Gaseous pollutants management,Perfect environment supervision,and intensify law enforcement,
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