溫室效應(yīng)英語演講定義原因影響解決方法新能源市公開課金獎(jiǎng)市賽課一等獎(jiǎng)?wù)n件

1、第1頁Greenhouse Effect第2頁Definition第3頁The greenhouse effect is a process by which thermal radiation （熱輻射）from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. 第4頁Since part of this re-radiation is back towards the surface and the lower atmosphere,

2、it results in an elevation of the average surface temperature above what it would be in the absence of the gases.第5頁Causes第6頁Large Population第7頁Industry第8頁Automobile Exhaust第9頁Forests Keep Disappearing 第10頁With more greenhouse gases released to the atmosphere due to human activity, more infrared rad

3、iation will be trapped in the Earths surface which contributes to the Enhanced Greenhouse Effect第11頁Effects第12頁TemperatureSincethelate19thcentury,theaverageglobal temperaturehasincreasedbetween 0.3Cand0.6C.Internationally.第13頁Aworldwidegreenhouseeffectmightproduce adangerouslywarmerworld. 第14頁Desert

4、ification第15頁The effects of global warming can have many unforeseen side effects.Animal Collective death第16頁Rising Sea LevelsTheotherseriousworryisthatrisingsea levelsfromthemeltingofthepolaricecapscouldseverelyfloodmanycountries.Ariseinsealevelsofone meter,whichmany experts are predicting by the ye

5、ar 2100,would flood 15 % of Egypt, and 12% of Bangladesh（孟加拉）. TheMaldives（馬爾代夫）in the Indian Oceanwouldalmostcompletely disappear. 第17頁The violence and frequency of hurricanes will increase with global warming.11.13 New York Hurricane SandySince the industrial revolution, human step into the atmosp

6、here of carbon dioxide into such heat-trapping greenhouse gases sex strong increased year by year, atmospheric greenhouse effect also increase consequently, has aroused global warming and so on a series of serious problems, caused the worlds attention.第18頁Solutions第19頁Capture buried technologyImprov

7、e energy efficiencyClean energyInflux from Paris design studio has being designed the novel biomimetic trees to absorb carbon dioxideMaglev train ，shanghai第20頁Geothermal power fieldGeothermal power is the use of underground hot water and steam as a power source for a new power generation technologie

8、s.第21頁Hydrogen fuel第22頁Solar power plantIn SpainCovering an area of two square kilometers Power supply for 50,000 families， Thermal power plant of the same generating capacity will be 18 million tons of carbon dioxide emissions第23頁The British established the worlds largest wind power station, the po

9、wer plant can power 750,000 homesWind power station第24頁Tidal energy power plantPortugal to establish the worlds first tidal power stations, power plants can provide sufficient energy for 15,000 households第25頁Indian human excreta is used to generate electricity and provide electricity for street ligh

10、tsBiogas plants第26頁Chinas Three Gorges Dam is the largest hydroelectric power station in the world, the total generating capacity of its total generating capacity equivalent to 22 large coal-fired power stationHydroelectric power stations第27頁Nuclear Power PlantAs of the end of , the worldwide nuclear power to run a total of more than 440 units, power generation accounts for about 16% of the total world electricity generation第28頁we should use more clean energy and less coal and oil. And we should go to work on fo