空氣污染-水污染-大氣污染的介紹(英文)教學(xué)資料

1、Waste PollutionWATER POLLUTIONWATER POLLUTIONThe 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 ，空氣，土地和能源是四個基本的自然資源。水的用途多種多樣，而

2、且要求其達(dá)到一定的標(biāo)準(zhǔn)。但是，由于人類使用而產(chǎn)生的污水造成了對環(huán)境的影響。Water pollution occurs when a body of water is adversely affected due to the addition of large amounts of materials to the water.水污染是水體中添加大量其他物質(zhì)而造成的負(fù)面影響DroughtPollutionApproximately 300 million nationwide have no access to clean water. Furthermore, over 700 milli

3、on 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 l

4、acks access to clean drinking water. Ninety percent of urban water bodies are severely polluted. 全國約有3億人使用不上干凈的水，此外，有超過7億中國人飲用的水沒能達(dá)到世界衛(wèi)生組織的標(biāo)準(zhǔn)，幾乎 90%的城市地下水受到污染，80%的中國河流不符合捕魚標(biāo)準(zhǔn)，某種程度上說，幾乎所有的河流都受到某種程度的污染，一半的人口缺少干凈的飲用水，90%的城市水體受到嚴(yán)重污染。 ShuiYuBing eventsShuiYuBing events 水俁病事件 （1953-1956）Japanbone pain dis

5、ease eventsbone pain disease events 骨痛病事件（）1955-1963）Japanpoisonous substances contaminate the poisonous substances contaminate the Rhine eventsRhine events劇毒物質(zhì)污染萊茵河事件 1986 Switzerland, Germany, France The famous water pollution incidentsThe famous water pollution incidentsAir Pollution Air Pollutio

6、n PollutantsPollutants 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 ar

7、e 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.nitr

8、ogen 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含氟氯烴: harmful to the ozone layer emitted from products b

9、anned from use.Particulate matter: produced by gaseous primary pollutants and compounds in photochemical smog.Indoor air pollutionAir pollution contained indoor air pollution.chemical sources, physical sources and Biological sources.Decorative material pollution: formaldehyde甲醛 ammonia氨氣 Countermeas

10、uresPollutionGarbage PollutionWater PollutionAir PollutionGarbage PollutionlChange the way of productionlStep up publicity efforts to promote green consumptionlTo encourage garbage collection to the development of industry and legalization lCarry out the charging policyclean and greentoxic and hazar

11、dous substanceswaste recyclingMedia and publicizeto reduce waste outputgreen certified productsWater PollutionlProtect the water source arealIncrease the urban sewage and industrial wastewater treatment effortslStrengthen citizens awareness of protecting the environmentlRealize the recycling of the

12、waste water use lReduce waste water and pollutants lDevelop regional water pollution prevention and control system lComprehensive consideration of the water resources planning, water use, the economic investment and natural purification ability Air PollutionTake all kinds of measures to reduce pollutants overall planning, rational distributionenergy structure, raise rate district heating and central heating afforestation, afforest environment With