大气层里的二氧化碳突破历史新高
<p><span word="It">It</span>'<span word="s">s</span> <span word="Official">Official</span>: <span word="Atmospheric">Atmospheric</span> <span word="CO">CO</span>2 <span word="Just">Just</span> <span word="Exceeded">Exceeded</span> 415 <span word="ppm">ppm</span> <span word="For">For</span> <span word="The">The</span> <span word="First">First</span> <span word="Time">Time</span> <span word="in">in</span> <span word="Human">Human</span> <span word="History">History</span></p><p>官方消息：人类历史上大气二氧化碳浓度首次突破百万分之415</p><p><span word="Yet">Yet</span> <span word="another">another</span> <span word="alarming">alarming</span> <span word="milestone">milestone</span> <span word="of">of</span> <span word="humanity">humanity</span>'<span word="s">s</span> <span word="damaging">damaging</span> <span word="effect">effect</span> <span word="on">on</span> <span word="the">the</span> <span word="environment">environment</span> <span word="has">has</span> <span word="now">now</span> <span word="officially">officially</span> <span word="been">been</span> <span word="reached">reached</span> – <span word="crossing">crossing</span> <span word="a">a</span> <span word="barrier">barrier</span> <span word="into">into</span> <span word="a">a</span> <span word="hot">hot</span>, <span word="polluted">polluted</span> <span word="future">future</span> <span word="like">like</span> <span word="the">the</span> <span word="planet">planet</span> <span word="hasn">hasn</span>'<span word="t">t</span> <span word="witnessed">witnessed</span> <span word="in">in</span> <span word="millions">millions</span> <span word="of">of</span> <span word="years">years</span>.</p><p>人类对环境造成的破坏又达到了一个令人担忧的新高度，已经跨越门槛走向一个地球数百万年来未曾见过的炎热的被污染的未来。</p><p><span word="Sensors">Sensors</span> <span word="in">in</span> <span word="Hawaii">Hawaii</span> <span word="recorded">recorded</span> <span word="Earth">Earth</span>'<span word="s">s</span> <span word="atmospheric">atmospheric</span> <span word="concentration">concentration</span> <span word="of">of</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> (<span word="CO">CO</span>2) <span word="passing">passing</span> 415 <span word="parts">parts</span> <span word="per">per</span> <span word="million">million</span> (<span word="ppm">ppm</span>) <span word="for">for</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> <span word="since">since</span> <span word="before">before</span> <span word="the">the</span> <span word="ancient">ancient</span> <span word="dawn">dawn</span> <span word="of">of</span> <span word="humanity">humanity</span>.</p><p>据夏威夷的传感器记录，地球大气中的二氧化碳(<span word="CO">CO</span>2)浓度自人类远古时期至今首次突破了百万分之415。</p><p><span word="Last">Last</span> <span word="Saturday">Saturday</span>, <span word="CO">CO</span>2 <span word="concentration">concentration</span> <span word="recorded">recorded</span> <span word="at">at</span> <span word="the">the</span> <span word="Mauna">Mauna</span> <span word="Loa">Loa</span> <span word="Observatory">Observatory</span> <span word="in">in</span> <span word="Hawaii">Hawaii</span> <span word="by">by</span> <span word="researchers">researchers</span> <span word="from">from</span> <span word="the">the</span> <span word="Scripps">Scripps</span> <span word="Institution">Institution</span> <span word="of">of</span> <span word="Oceanography">Oceanography</span> <span word="hit">hit</span> 415.26 <span word="ppm">ppm</span> – <span word="the">the</span> <span word="latest">latest</span> <span word="in">in</span> <span word="a">a</span> <span word="dire">dire</span> <span word="series">series</span> <span word="of">of</span> <span word="climatic">climatic</span> <span word="thresholds">thresholds</span> <span word="being">being</span> <span word="breached">breached</span> <span word="by">by</span> <span word="a">a</span> <span word="human">human</span> <span word="society">society</span> <span word="that">that</span> <span word="refuses">refuses</span> <span word="to">to</span> <span word="relinquish">relinquish</span> <span word="the">the</span> <span word="conveniences">conveniences</span> <span word="afforded">afforded</span> <span word="by">by</span> <span word="fossil">fossil</span> <span word="fuels">fuels</span>.</p><p>上周六，斯克里普斯海洋研究所的研究人员在夏威夷莫纳罗亚天文台记录的二氧化碳浓度高达百万分之415.26，人类社会因为拒绝放弃燃烧化石燃料带来的便利而突破了一系列气候危险阈值，这次又刷新了一个记录。</p>
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