英科学家将建超大氮气球给地球降温
<p><span word="It">It</span> <span word="may">may</span> <span word="sound">sound</span> <span word="like">like</span> <span word="the">the</span> <span word="crazed">crazed</span> <span word="plan">plan</span> <span word="of">of</span> <span word="a">a</span> <span word="James">James</span> <span word="Bond">Bond</span> <span word="but">but</span> <span word="scientists">scientists</span> <span word="are">are</span> <span word="working">working</span> <span word="on">on</span> <span word="a">a</span> <span word="way">way</span> <span word="to">to</span> <span word="artificially">artificially</span> <span word="cool">cool</span> <span word="the">the</span> <span word="planet">planet</span> <span word="by">by</span> <span word="reflecting">reflecting</span> <span word="sunlight">sunlight</span> <span word="away">away</span> <span word="from">from</span> <span word="the">the</span> <span word="Earth">Earth</span>.</p><p>科学家正致力研究人工降低地球温度的方法，他们试图将射向地球的太阳光线反射出去。这听起来真像是詹姆斯·邦德的疯狂计划。</p><p><span word="In">In</span> <span word="a">a</span> <span word="largely">largely</span> <span word="theoretical">theoretical</span> <span word="field">field</span> <span word="known">known</span> <span word="as">as</span> <span word="geo">geo</span>-<span word="engineering">engineering</span>, <span word="a">a</span> <span word="team">team</span> <span word="of">of</span> <span word="British">British</span> <span word="academics">academics</span> <span word="is">is</span> <span word="about">about</span> <span word="to">to</span> <span word="announce">announce</span> <span word="a">a</span> <span word="world">world</span>-<span word="first">first</span> <span word="with">with</span> <span word="plans">plans</span> <span word="to">to</span> <span word="field">field</span> <span word="test">test</span> <span word="an">an</span> <span word="artificial">artificial</span> <span word="volcano">volcano</span> <span word="as">as</span> <span word="a">a</span> <span word="solution">solution</span> <span word="to">to</span> <span word="global">global</span> <span word="warming">warming</span>. <span word="The">The</span> <span word="concept">concept</span> <span word="is">is</span> <span word="based">based</span> <span word="on">on</span> <span word="the">the</span> <span word="cooling">cooling</span> <span word="effect">effect</span> <span word="of">of</span> <span word="volcano">volcano</span> <span word="eruptions">eruptions</span> <span word="on">on</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span>.</p><p>一队英国学者打算实地操作试验，利用人造火山解决全球升温，这是世界地球工程学界的第一次尝试。此观念基于火山爆发对大气的冷却作用。</p><p><span word="The">The</span> <span word="eventual">eventual</span> <span word="plan">plan</span> <span word="is">is</span> <span word="for">for</span> <span word="a">a</span> <span word="helium">helium</span> <span word="balloon">balloon</span>. <span word="It">It</span> <span word="is">is</span> <span word="anticipated">anticipated</span> <span word="that">that</span> <span word="the">the</span> <span word="helium">helium</span> <span word="balloon">balloon</span> <span word="would">would</span> <span word="have">have</span> <span word="to">to</span> <span word="be">be</span> <span word="roughly">roughly</span> <span word="the">the</span> <span word="size">size</span> <span word="of">of</span> <span word="Wembley">Wembley</span> <span word="Stadium">Stadium</span> <span word="and">and</span> <span word="tethered">tethered</span> 14 <span word="miles">miles</span> <span word="above">above</span> <span word="the">the</span> <span word="Earth">Earth</span> <span word="by">by</span> <span word="a">a</span> <span word="giant">giant</span> <span word="hose">hose</span> <span word="to">to</span> <span word="contain">contain</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="chemicals">chemicals</span> <span word="required">required</span>. <span word="It">It</span> <span word="is">is</span> <span word="hoped">hoped</span> <span word="that">that</span> <span word="the">the</span> <span word="droplets">droplets</span> <span word="of">of</span> <span word="sulphates">sulphates</span> <span word="and">and</span> <span word="aerosol">aerosol</span> <span word="particles">particles</span> <span word="will">will</span> <span word="reflect">reflect</span> <span word="the">the</span> <span word="sun">sun</span>'<span word="s">s</span> <span word="energy">energy</span> <span word="back">back</span> <span word="into">into</span> <span word="space">space</span>, <span word="preventing">preventing</span> <span word="it">it</span> <span word="from">from</span> <span word="heating">heating</span> <span word="the">the</span> <span word="earth">earth</span>.</p><p>最终决定建造一个和温布利体育场一样大的氦气球，由大软管拴在距地表14英里处，以控制化学需求总额。他们希望硫酸盐液滴和气雾粒子能够将太阳的能量反射回太空，以防止地球变暖。</p>
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