Loss of biodiversity affects human society 生物多样性减少给人类社会带来影响
<p>随身英语<span word="Loss">Loss</span> <span word="of">of</span> <span word="biodiversity">biodiversity</span> <span word="affects">affects</span> <span word="human">human</span> <span word="society">society</span> 生物多样性减少给人类社会带来影响</p><p><span word="Play">Play</span> <span word="audio">audio</span> <span word="file">file</span>科学家说动植物种类的减少危急人类生活及环境的健康。本期《随身英语》谈论生物多样性的减少和生态系统的变化。</p><p>课文内容 词汇: <span word="environment">environment</span> 环境</p><p><span word="If">If</span> <span word="a">a</span> <span word="species">species</span> <span word="of">of</span> <span word="bee">bee</span> <span word="disappears">disappears</span> <span word="forever">forever</span> <span word="or">or</span> <span word="a">a</span> <span word="particular">particular</span> <span word="plant">plant</span> <span word="is">is</span> <span word="extinct">extinct</span>, <span word="what">what</span> <span word="does">does</span> <span word="it">it</span> <span word="have">have</span> <span word="to">to</span> <span word="do">do</span> <span word="with">with</span> <span word="us">us</span> <span word="humans">humans</span>? <span word="Well">Well</span>, <span word="according">according</span> <span word="to">to</span> <span word="a">a</span> <span word="team">team</span> <span word="of">of</span> <span word="international">international</span> <span word="scientists">scientists</span>, <span word="biodiversity">biodiversity</span> <span word="is">is</span> <span word="dropping">dropping</span> <span word="below">below</span> <span word="levels">levels</span> <span word="considered">considered</span> <span word="safe">safe</span> <span word="for">for</span> <span word="the">the</span> <span word="wellbeing">wellbeing</span> <span word="of">of</span> <span word="human">human</span> <span word="societies">societies</span>.</p><p><span word="The">The</span> <span word="issue">issue</span> <span word="is">is</span> <span word="that">that</span> <span word="everything">everything</span> <span word="is">is</span> <span word="interconnected">interconnected</span> <span word="and">and</span> <span word="ecosystems">ecosystems</span> <span word="support">support</span> <span word="our">our</span> <span word="societies">societies</span> <span word="because">because</span> <span word="they">they</span> <span word="provide">provide</span> <span word="us">us</span> <span word="with">with</span>, <span word="for">for</span> <span word="example">example</span>,<span word="food">food</span>, <span word="fibres">fibres</span> <span word="and">and</span> <span word="fuels">fuels</span>.</p><p><span word="If">If</span> <span word="species">species</span> <span word="go">go</span> <span word="on">on</span> <span word="disappearing">disappearing</span>, <span word="this">this</span> <span word="can">can</span> <span word="interfere">interfere</span> <span word="with">with</span> <span word="vital">vital</span> <span word="processes">processes</span> <span word="such">such</span> <span word="as">as</span> <span word="crop">crop</span> <span word="pollination">pollination</span> <span word="and">and</span> <span word="the">the</span> <span word="decomposition">decomposition</span> <span word="of">of</span> <span word="waste">waste</span>.</p><p><span word="A">A</span> <span word="framework">framework</span> <span word="which">which</span> <span word="defines">defines</span> <span word="the">the</span> <span word="environmental">environmental</span> <span word="limits">limits</span> <span word="within">within</span> <span word="which">which</span> <span word="humans">humans</span> <span word="can">can</span> <span word="operate">operate</span> – <span word="called">called</span> <span word="planetary">planetary</span> <span word="boundaries">boundaries</span> - <span word="says">says</span> <span word="that">that</span> <span word="losing">losing</span> <span word="more">more</span> <span word="than">than</span> 10% <span word="of">of</span> <span word="the">the</span> <span word="biodiversity">biodiversity</span> <span word="in">in</span> <span word="an">an</span> <span word="area">area</span> <span word="places">places</span> <span word="the">the</span> <span word="local">local</span> <span word="ecosystem">ecosystem</span> <span word="at">at</span> <span word="risk">risk</span>. <span word="Ecosystems">Ecosystems</span> <span word="are">are</span> <span word="all">all</span> <span word="different">different</span> <span word="but">but</span> <span word="this">this</span> <span word="percentage">percentage</span> <span word="is">is</span> <span word="considered">considered</span> <span word="a">a</span> <span word="good">good</span> <span word="measure">measure</span> <span word="of">of</span> <span word="safety">safety</span>.</p><p><span word="A">A</span> <span word="study">study</span> <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="magazine">magazine</span> <span word="Science">Science</span> <span word="suggests">suggests</span> <span word="that">that</span> 58% <span word="of">of</span> <span word="the">the</span> <span word="world">world</span>'<span word="s">s</span> <span word="land">land</span> <span word="surface">surface</span> <span word="already">already</span> <span word="falls">falls</span> <span word="below">below</span> <span word="this">this</span> <span word="level">level</span>. <span word="These">These</span> <span word="areas">areas</span> <span word="house">house</span> 71% <span word="of">of</span> <span word="the">the</span> <span word="global">global</span> <span word="population">population</span>.</p><p><span word="Professor">Professor</span> <span word="Andy">Andy</span> <span word="Purvis">Purvis</span>, <span word="from">from</span> <span word="Imperial">Imperial</span> <span word="College">College</span> <span word="London">London</span> <span word="and">and</span> <span word="the">the</span> <span word="Natural">Natural</span> <span word="History">History</span> <span word="Museum">Museum</span>, <span word="is">is</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="authors">authors</span> <span word="of">of</span> <span word="the">the</span> <span word="study">study</span>. <span word="He">He</span> <span word="says">says</span>: "<span word="Once">Once</span> <span word="we">we</span>'<span word="re">re</span> <span word="the">the</span> <span word="wrong">wrong</span> <span word="side">side</span> <span word="of">of</span> <span word="the">the</span> <span word="boundary">boundary</span> <span word="it">it</span> <span word="doesn">doesn</span>'<span word="t">t</span> <span word="mean">mean</span> <span word="everything">everything</span> <span word="goes">goes</span> <span word="wrong">wrong</span> <span word="immediately">immediately</span>, <span word="but">but</span> <span word="there">there</span> <span word="is">is</span> <span word="a">a</span> <span word="markedly">markedly</span> <span word="higher">higher</span> <span word="risk">risk</span> <span word="that">that</span> <span word="things">things</span> <span word="will">will</span> <span word="go">go</span> <span word="badly">badly</span> <span word="wrong">wrong</span>."</p>
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