温室效应英文学习教案.pptx

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1、会计学1温室效应温室效应(wn sh xio yn)英文英文第一页，共17页。GreenhouseWhat is greenhouse?How does it influence us?What are the factors?What has been done to settle it?Our opinions and suggestions第1页/共17页第二页，共17页。What is greenhouse?What is greenhouse?n nDefinitionDefinitionThe so-called greenhouse effect is short-The so-

2、called greenhouse effect is short-wave solar radiation through the wave solar radiation through the atmosphere into the ground,and warming atmosphere into the ground,and warming the ground after the length of radiation the ground after the length of radiation being released in the atmosphere by bein

3、g released in the atmosphere by absorbing carbon dioxide and other absorbing carbon dioxide and other substances,thereby creating the effect of substances,thereby creating the effect of atmospheric warmingatmospheric warming.第2页/共17页第三页，共17页。G Greenhouse gas:reenhouse gas:n nCarbon dioxide is not th

4、e only greenhouse gas.n nOther gases,such as methane(CH4)and nitrous(氮的、氮的、硝的）硝的）oxide(NO),are even stronger infrared（红（红外线的）外线的）absorbers.第3页/共17页第四页，共17页。The natural greenhouse effect is crucial（决定性（决定性的）的）for maintaining the proper temperature needed to sustain(支持支持(zhch)、支撑）、支撑）life on Earth.BUT

5、:THE GLOBAL WARMING!第4页/共17页第五页，共17页。Global warming第5页/共17页第六页，共17页。TemperatureTemperature A A worldwide greenhouse effect might produce a worldwide greenhouse effect might produce a dangerously warmer world.dangerously warmer world.Since the late 19th century,the average global Since the late 19th

6、century,the average global temperature has increased between 0.3 C and 0.6 temperature has increased between 0.3 C and 0.6 C.Internationally,2010 was the hottest year on C.Internationally,2010 was the hottest year on record since official weather records first started record since official weather r

7、ecords first started being kept by the British in about 1860.being kept by the British in about 1860.第6页/共17页第七页，共17页。Estimates Estimates（估计（估计（估计（估计(gj)(gj)）of global average of global average temperatures have projected an increase temperatures have projected an increase of as much as 5C before th

8、e year 2100.of as much as 5C before the year 2100.Such a rise in global temperature would Such a rise in global temperature would produce new patterns and extreme drought produce new patterns and extreme drought and rainfall,which would seriously disrupt and rainfall,which would seriously disrupt fo

9、od production.This could potentially food production.This could potentially cripple the North American corn belt,cripple the North American corn belt,which produces much of the worlds grain,which produces much of the worlds grain,leading leading toto much higher food prices,and much higher food pric

10、es,and even less food for the Third World than even less food for the Third World than they already have.they already have.第7页/共17页第八页，共17页。The other serious worry is that rising sea levels from the melting of the polar ice could severely flood many countries.A rise in sea levels of one metre,which

11、many experts are predicting by the year 2100(and some as soon as 2030),would flood 15 percent of Egypt（埃及（埃及(i j)）,and 12 percent of Bangladesh(孟加拉国孟加拉国).The Maldives(马尔代夫）马尔代夫）in the Indian Ocean would almost completely disappear.返回(fnhu)第8页/共17页第九页，共17页。What are the factors?n n The mankind burning

12、 coal,oil,natural gas and tree and produce a great deal of carbon dioxide and methane so many years,those gases get into the atmosphere make carbon circulate a disequilibrium and have changed the energy of the Earth biosphere conversion form.And finally become global warming.第9页/共17页第十页，共17页。What ha

13、d we done第10页/共17页第十一页，共17页。What has been done to settle it?n nKyoto ProtocolKyoto ProtocolKyoto ProtocolKyoto Protocoln n京都议定书京都议定书京都议定书京都议定书（英文：（英文：（英文：（英文：Kyoto Kyoto Kyoto Kyoto ProtocolProtocolProtocolProtocol，又译，又译，又译，又译京都协议书、京都协议书、京都协议书、京都协议书、京都条约；京都条约；京都条约；京都条约；全称联合国气全称联合国气全称联合国气全称联合国气候变化框架公

14、约候变化框架公约候变化框架公约候变化框架公约的京都议定书）的京都议定书）的京都议定书）的京都议定书）是联合国气候是联合国气候是联合国气候是联合国气候变化框架公约变化框架公约变化框架公约变化框架公约（United United United United Nations Nations Nations Nations Framework Framework Framework Framework Convention on Convention on Convention on Convention on Climate ChangeClimate ChangeClimate ChangeCli

15、mate Change，UNFCCCUNFCCCUNFCCCUNFCCC）的补）的补）的补）的补充条款。是充条款。是充条款。是充条款。是1997199719971997年年年年12121212月在日本京月在日本京月在日本京月在日本京都由联合国气候都由联合国气候都由联合国气候都由联合国气候变化框架公约参变化框架公约参变化框架公约参变化框架公约参加国三次会议制加国三次会议制加国三次会议制加国三次会议制定的。其目标是定的。其目标是定的。其目标是定的。其目标是“将大气中的温将大气中的温将大气中的温将大气中的温室气体含量稳定室气体含量稳定室气体含量稳定室气体含量稳定(wndng)(wndng)(wndn

16、g)(wndng)在一在一在一在一个适当的水平，个适当的水平，个适当的水平，个适当的水平，进而防止剧烈的进而防止剧烈的进而防止剧烈的进而防止剧烈的气候改变对人类气候改变对人类气候改变对人类气候改变对人类造成伤害造成伤害造成伤害造成伤害”。第11页/共17页第十二页，共17页。AOSIS(小岛国联盟小岛国联盟(linmng):Most of the countries which would suffer mostly from a rise in sea levels are the poor island states,so the islands in the Caribbean（加勒（加

17、勒比海的）比海的）,South Pacific（太平洋的）（太平洋的）,Mediterranean（地中海的）（地中海的）and Indian Ocean have formed the Alliance（联盟（联盟(linmng)）of Small Island States,AOSIS,so they have a louder voice in internatioanl politics and can make the richer developed world listen to their problems.第12页/共17页第十三页，共17页。返回(fnhu)第13页/共17

18、页第十四页，共17页。What should we do:*Take the public transportation*Dont set off the firecrackers（爆（爆竹竹(bozh)）*Use solar energy*Afforestation（造（造林）林）第14页/共17页第十五页，共17页。*Try to be a volunteers*Support environmental protection commonwealth*Simple life!*第15页/共17页第十六页，共17页。As long as we try to change,we will succeed!Thank you！第16页/共17页第十七页，共17页。