全球变暖——英语演讲PPT

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Global

warming

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The effect of each tempeature rise

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Temperature rises to six degrees from once

1 4

2 5

3 6

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The temperature rise 1℃After one degree Celsius(摄氏度['selsi s])rise in t e m p e r a t u r e , half of the year in the Arctic(北极) will be ice-free state ,South Atlantic(大西洋的) coastal(沿海地 区) areas, will suffer hurricane (飓风),residents (居民)in the western United States will also face serious long-term droughts(干旱)

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the temperature rise 2℃ After two degrees Celsius rise in temperature , gradually melting ice(融冰), coral reefs (珊瑚礁) have gradually disappeared, and the global sea level rise seven meters.

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The temperature rise 3℃After three degrees Celsius rise in temperature , Europe will continue to suffer in the hot weather, tens of millions or billions of refugees from sub-tropical(亚热带) to move to midlatitudes(中纬度).

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The temperature rise 4℃After four degrees Celsius rise in temperature , sealevel rise and flood (淹没) coastal cities; glaciers disappear, causing serious water shortages in many areas; And,London summer temperatures as high as 45 degrees Celsius.

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The tempeature rise 5℃After five degrees Celsius rise in temperature , the areas not suitable for living are expanding , the supply(供给) of water in some big cities of snow and aquifers dry up phenomenon, millions of people become climate refugees(气 候灾民)

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The temperature rise 6℃After six degrees Celsius rise in temperature, hydrogen sulfide(硫化氢) and methane (甲烷) sulfide caused the fire from time to time; In addition to bacteria(细菌), there is no any creature can survive “Armageddon(世界末日),” is really start!

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Green in where?

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measuresClean energy Plant trees

Work on foot or by bus

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