由于气候变暖，厄尔尼诺现象正在变严重
<p><span word="If">If</span> <span word="El">El</span> <span word="Ni">Ni</span>ñ<span word="os">os</span> <span word="were">were</span> <span word="dangerous">dangerous</span> <span word="before">before</span>, <span word="they">they</span> <span word="are">are</span> <span word="looking">looking</span> <span word="to">to</span> <span word="become">become</span> <span word="especially">especially</span> <span word="destructive">destructive</span> <span word="in">in</span> <span word="the">the</span> <span word="near">near</span> <span word="future">future</span>. <span word="Already">Already</span> <span word="severe">severe</span> <span word="and">and</span> <span word="uNPRedictable">uNPRedictable</span>, <span word="recent">recent</span> <span word="research">research</span> <span word="indicates">indicates</span> <span word="these">these</span> <span word="natural">natural</span> <span word="weather">weather</span> <span word="events">events</span> <span word="are">are</span> <span word="now">now</span> <span word="swinging">swinging</span> <span word="to">to</span> <span word="even">even</span> <span word="greater">greater</span> <span word="extremes">extremes</span>.</p><p>如果说厄尔尼诺以前很危险，那它在不久的将来将变得极具破坏性。最近的研究表明这些已经很严重并难以预测的自然天气现象现在正朝着更极端的方向发展。</p><p><span word="Since">Since</span> <span word="humans">humans</span> <span word="started">started</span> <span word="burning">burning</span> <span word="fossil">fossil</span> <span word="fuels">fuels</span> <span word="on">on</span> <span word="an">an</span> <span word="industrial">industrial</span> <span word="scale">scale</span>, <span word="coral">coral</span> <span word="records">records</span> <span word="from">from</span> <span word="the">the</span> <span word="past">past</span> 7,000 <span word="years">years</span> <span word="indicate">indicate</span> <span word="that">that</span> <span word="heat">heat</span> <span word="waves">waves</span>, <span word="wildfires">wildfires</span>, <span word="droughts">droughts</span>, <span word="flooding">flooding</span> <span word="and">and</span> <span word="violent">violent</span> <span word="storms">storms</span> <span word="associated">associated</span> <span word="with">with</span> <span word="El">El</span> <span word="Ni">Ni</span>ñ<span word="o">o</span> <span word="have">have</span> <span word="grown">grown</span> <span word="markedly">markedly</span> <span word="worse">worse</span>.</p><p>自从人类开始大规模燃烧化石燃料，过去7,000年的珊瑚记录显示与厄尔尼诺有关的热浪、野火、干旱、洪水和猛烈风暴愈演愈烈。</p><p><span word="It">It</span>'<span word="s">s</span> <span word="still">still</span> <span word="unclear">unclear</span> <span word="whether">whether</span> <span word="this">this</span> <span word="is">is</span> <span word="due">due</span> <span word="to">to</span> <span word="climate">climate</span> <span word="change">change</span> <span word="directly">directly</span>, <span word="but">but</span> <span word="from">from</span> <span word="the">the</span> <span word="limited">limited</span> <span word="history">history</span> <span word="we">we</span> <span word="have">have</span>, <span word="the">the</span> <span word="pattern">pattern</span> <span word="of">of</span> <span word="both">both</span> <span word="looks">looks</span> <span word="suspicious">suspicious</span>.</p><p>尚不清楚这与气候变化是否有直接关系，但从我们有限的历史来看，这两种模式看起来都很有问题。</p><p>"<span word="What">What</span> <span word="we">we</span>'<span word="re">re</span> <span word="seeing">seeing</span> <span word="in">in</span> <span word="the">the</span> <span word="last">last</span> 50 <span word="years">years</span> <span word="is">is</span> <span word="outside">outside</span> <span word="any">any</span> <span word="natural">natural</span> <span word="variability">variability</span>," <span word="says">says</span> <span word="earth">earth</span> <span word="and">and</span> <span word="atmospheric">atmospheric</span> <span word="scientist">scientist</span> <span word="Kim">Kim</span> <span word="Cobb">Cobb</span> <span word="from">from</span> <span word="the">the</span> <span word="Georgia">Georgia</span> <span word="Institute">Institute</span> <span word="of">of</span> <span word="Technology">Technology</span>.</p><p>佐治亚理工学院的地球与大气科学家<span word="Kim">Kim</span> <span word="Cobb">Cobb</span>说：“我们在过去50年里看到的已经超越了所有自然变化。”</p>
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