全球变暖英文.ppt

文档介绍：key words
methane [ˈmi:θeɪn] <化>甲烷,沼气; 甲烷
greenhouse gases 温室气体
shifting ecosystems 改变生态系统
acidification [əˌsɪdɪfɪ'keɪʃən] 使发酸,酸化,成酸性; 变酸;
air conditioning 空调
ruminant [ˈru:mɪnənt];; 沉思默想的;
question
Are you miss your childhood?
Do you remember when the last time you saw the clear water?
What do you want to save the only earth?
Why is it so cold this winter?
what do you think of the cold?
I think the most important is
the fact is
Global warming
全球变暖影响了正常的洋流流动,从而使西伯利亚高压强盛,以致今年冬天
寒冷较为异常。
Too little clothes.
Global warming
what is it?
Due to carbon dioxide, methane(甲烷) and other greenhouse gases (温室气体) in the atmosphere increase happens global temperature rise phenomenon.
why should we care?
sea level rise
change in climate
shifting ecosystems (改变生态系统)
species die-off
ocean acidification(from CO2 increase)
sea level rise
change in climate
shifting ecosystems