时间:2018-12-16 作者:英语课 分类:2014年VOA慢速英语(七)月


英语课

 


AS IT IS 2014-07-03 Scientists: Prepare for El Nino and Extreme Weather 科学家称需为厄尔尼诺和极端天气做好准备


Many places have experienced severe flooding after heavy rains this year.  Last Thursday, football lovers traveled through flooded streets in Recife, Brazil to watch the World Cup match between Germany and the United States.  Many were unsure if the game would be played at all because of the weather.


Last week, the World Meteorological Organization predicted a return of the weather event known as El Nino later this year.  Experts say one sign of it is unusually warm ocean surface temperatures in the central and eastern Pacific.  El Nino can affect weather conditions worldwide. 


The flooding in Recife followed hours of heavy rainfall.  Major flooding hit the former Yugoslavia earlier this year.  It killed more than 50 people in Serbia alone.


Michel Jarraud is Secretary-General of the World Meteorological Organization.


“This winter, meaning December 2013 to February 2014, was the wettest winter ever recorded in more than a quarter of a millennium 1.”


Mr. Jarraud spoke 2 at a climate conference in Japan earlier this year.  He said there is no question that temperatures around the world are going up.


“Every decade has been warmer than the preceding one over the last 40 years.”


Experts say the extreme heat warms the ocean surface above its normal levels, affecting climate worldwide.  The weather event is called El Nino.


Philip Klotzbach is an American research scientist.  He spoke to VOA on Skype.


“El Nino is warmer than normal waters in the central and eastern tropical Pacific.  When those warmer normal waters occur in the tropical Pacific, it tends to increase upper level westerly winds.”


The World Meteorological Organization says El Nino is forming again this year.  The WMO says the weather event will be fully 3 established in a few months.  It is expected to be strongest toward the end of this year and in early 2015.  As Michel Jarraud notes, El Nino causes higher than normal temperatures in some parts of the world, and extremely high rainfall in others.


“I am thinking, for example, of the big heat wave which hit Russia in 2010.  A lot of research has been done and now the scientists believe that without the climate change, which has already occurred, it would have been very unlikely to occur.  So you see, we are making some progress on the attribution of extreme events to climate change.”


Scientists have long sought to prove that the release of greenhouse gases, industrial pollution, causes climate change and affects our weather.  Mr. Jarraud says there is more and more evidence that this is true.  But it is difficult to persuade politicians to take steps to cut pollution.


Kaisa Kosonen is with the environmental group Greenpeace International.


“What does it mean if we want to prevent dangerous climate change?  It means that we need to get rid of this coal, gas and oil as soon as possible and change to renewable energy, get more energy efficient systems in place and so forth 4.”


The World Meteorological Organization is urging governments to prepare for El Nino and the extreme weather conditions it can bring.



1 millennium
n.一千年,千禧年;太平盛世
  • The whole world was counting down to the new millennium.全世界都在倒计时迎接新千年的到来。
  • We waited as the clock ticked away the last few seconds of the old millennium.我们静候着时钟滴答走过千年的最后几秒钟。
2 spoke
n.(车轮的)辐条;轮辐;破坏某人的计划;阻挠某人的行动 v.讲,谈(speak的过去式);说;演说;从某种观点来说
  • They sourced the spoke nuts from our company.他们的轮辐螺帽是从我们公司获得的。
  • The spokes of a wheel are the bars that connect the outer ring to the centre.辐条是轮子上连接外圈与中心的条棒。
3 fully
adv.完全地,全部地,彻底地;充分地
  • The doctor asked me to breathe in,then to breathe out fully.医生让我先吸气,然后全部呼出。
  • They soon became fully integrated into the local community.他们很快就完全融入了当地人的圈子。
4 forth
adv.向前;向外,往外
  • The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。
  • He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。
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