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1、第1页Greenhouse Effect第2页Definition第3页The greenhouse effect is a process by which thermal radiation （热辐射）from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. 第4页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页Causes第6页Large Population第7页Industry第8页Automobile Exhaust第9页Forests Keep Disappearing 第10页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页Effects第12页TemperatureSincethelate19thcentury,theaverageglobal temperaturehasincreasedbetween 0.3Cand0.6C.Internationally.第13页Aworldwidegreenhouseeffectmightproduce adangerouslywarmerworld. 第14页Desert

4、ification第15页The effects of global warming can have many unforeseen side effects.Animal Collective death第16页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（马尔代夫）in the Indian Oceanwouldalmostcompletely disappear. 第17页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页Solutions第19页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页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页Hydrogen fuel第22页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页The British established the worlds largest wind power station, the po

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

10、tsBiogas plants第26页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页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页we should use more clean energy and less coal and oil. And we should go to work on fo