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全球变暖.ppt

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1、Global warming,The effect of each tempeature rise,The tempeature rise 1,After one degree Celsius rise in temperature ,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 f

2、ace serious long-term droughts(干旱),the tempeature rise 2,After two degrees Celsius rise in temperature ,gradually melting ice(融冰), polar bears struggling to survive, Greenlands(格陵兰) glaciers start to melt, coral reefs (珊瑚礁) have gradually disappeared, and the global sea level rise seven meters.,The

3、tempeature rise 3,After three degrees Celsius rise in temperature ,Amazon rainforest disappearing, a strong El Nino(厄尔尼诺) weather phenomenon (现象)become the norm, 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 mid-latitude

4、s(中纬度).,The tempeature rise 4,After four degrees Celsius rise in temperature , sea-level rise and flood (淹没) coastal cities; glaciers disappear, causing serious water shortages in many areas; part of the disintegration(崩溃) of Antarctica, but also(更加) accelerated(促进) the rate of sea level rise; Londo

5、n summer temperatures as high as 45 degrees Celsius.,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

6、灾民),human civilization(人类文明) because of the dramatic climate change maybe will begin to collapse, the poor (贫民)will suffer the greatest suffering; poles(两极)no ice, a lot of species(物种)which before are in the ocean will extinction(消失), massive tsunami(大规模的海啸)will destroy coastal areas.,The tempeature

7、 rise 6,After six degrees Celsius rise in temperature, up to 95% of species extinction, the remnants will suffer frequent storms and floods; hydrogen sulfide(硫化氢) and methane (甲烷) caused the fire from time to time, as a general atom bomb would explode at any time; In addition to bacteria(细菌), there is no any creature can survive “Armageddon(世界末日),” is really start!,THANKS,

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