北极融化可能耗费全球60万亿美元
<p><span word="Rapid">Rapid</span> <span word="thawing">thawing</span> <span word="of">of</span> <span word="the">the</span> <span word="Arctic">Arctic</span> <span word="could">could</span> <span word="trigger">trigger</span> <span word="a">a</span> <span word="catastrophic">catastrophic</span> "<span word="economic">economic</span> <span word="timebomb">timebomb</span>" <span word="which">which</span> <span word="would">would</span> <span word="cost">cost</span> <span word="trillions">trillions</span> <span word="of">of</span> <span word="dollars">dollars</span> <span word="and">and</span> <span word="undermine">undermine</span> <span word="the">the</span> <span word="global">global</span> <span word="financial">financial</span> <span word="system">system</span>, <span word="say">say</span> <span word="a">a</span> <span word="group">group</span> <span word="of">of</span> <span word="economists">economists</span> <span word="and">and</span> <span word="polar">polar</span> <span word="scientists">scientists</span>.</p><p><span word="Governments">Governments</span> <span word="and">and</span> <span word="industry">industry</span> <span word="have">have</span> <span word="expected">expected</span> <span word="the">the</span> <span word="widespread">widespread</span> <span word="warming">warming</span> <span word="of">of</span> <span word="the">the</span> <span word="Arctic">Arctic</span> <span word="region">region</span> <span word="in">in</span> <span word="the">the</span> <span word="past">past</span> 20 <span word="years">years</span> <span word="to">to</span> <span word="be">be</span> <span word="an">an</span> <span word="economic">economic</span> <span word="boon">boon</span>, <span word="allowing">allowing</span> <span word="the">the</span> <span word="exploitation">exploitation</span> <span word="of">of</span> <span word="new">new</span> <span word="gas">gas</span> <span word="and">and</span> <span word="oilfields">oilfields</span> <span word="and">and</span> <span word="enabling">enabling</span> <span word="shipping">shipping</span> <span word="to">to</span> <span word="travel">travel</span> <span word="faster">faster</span> <span word="between">between</span> <span word="Europe">Europe</span> <span word="and">and</span> <span word="Asia">Asia</span>. <span word="But">But</span> <span word="the">the</span> <span word="release">release</span> <span word="of">of</span> <span word="a">a</span> <span word="single">single</span> <span word="giant">giant</span> "<span word="pulse">pulse</span>" <span word="of">of</span> <span word="methane">methane</span> <span word="from">from</span> <span word="thawing">thawing</span> <span word="Arctic">Arctic</span> <span word="permafrost">permafrost</span> <span word="beneath">beneath</span> <span word="the">the</span> <span word="East">East</span> <span word="Siberian">Siberian</span> <span word="sea">sea</span> "<span word="could">could</span> <span word="come">come</span> <span word="with">with</span> <span word="a">a</span> $60<span word="tn">tn</span> [£39<span word="tn">tn</span>] <span word="global">global</span> <span word="price">price</span> <span word="tag">tag</span>", <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="researchers">researchers</span> <span word="who">who</span> <span word="have">have</span> <span word="for">for</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> <span word="quantified">quantified</span> <span word="the">the</span> <span word="effects">effects</span> <span word="on">on</span> <span word="the">the</span> <span word="global">global</span> <span word="economy">economy</span>.</p><p><span word="Even">Even</span> <span word="the">the</span> <span word="slow">slow</span> <span word="emission">emission</span> <span word="of">of</span> <span word="a">a</span> <span word="much">much</span> <span word="smaller">smaller</span> <span word="proportion">proportion</span> <span word="of">of</span> <span word="the">the</span> <span word="vast">vast</span> <span word="quantities">quantities</span> <span word="of">of</span> <span word="methane">methane</span> <span word="locked">locked</span> <span word="up">up</span> <span word="in">in</span> <span word="the">the</span> <span word="Arctic">Arctic</span> <span word="permafrost">permafrost</span> <span word="and">and</span> <span word="offshore">offshore</span> <span word="waters">waters</span> <span word="could">could</span> <span word="trigger">trigger</span> <span word="catastrophic">catastrophic</span> <span word="climate">climate</span> <span word="change">change</span> <span word="and">and</span> "<span word="steep">steep</span>" <span word="economic">economic</span> <span word="losses">losses</span>, <span word="they">they</span> <span word="say">say</span>.</p>
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