地球未来很“凄惨”？100万个物种正遭受灭绝威胁
<p>一份由联合国生物多样性和生态系统服务政府间科学政策平台发布的报告显示，如今在全世界800万个物种中有100万个正因人类而遭受灭绝威胁，全球物种灭绝的“平均速度已经数十甚至数百倍于千万年前”。</p><p><span word="One">One</span> <span word="million">million</span> <span word="of">of</span> <span word="the">the</span> <span word="planet">planet</span>'<span word="s">s</span> <span word="eight">eight</span> <span word="million">million</span> <span word="species">species</span> <span word="are">are</span> <span word="threatened">threatened</span> <span word="with">with</span> <span word="extinction">extinction</span> <span word="by">by</span> <span word="humans">humans</span>, <span word="scientists">scientists</span> <span word="warned">warned</span> <span word="Monday">Monday</span> <span word="in">in</span> <span word="what">what</span> <span word="is">is</span> <span word="described">described</span> <span word="as">as</span> <span word="the">the</span> <span word="most">most</span> <span word="comprehensive">comprehensive</span> <span word="assessment">assessment</span> <span word="of">of</span> <span word="global">global</span> <span word="nature">nature</span> <span word="loss">loss</span> <span word="ever">ever</span>.</p><p>科学家们本周一（5月6日）发布了迄今为止最全面的一份全球自然损失评估报告，报告警告称，地球上800万个物种中有100万个正因人类而遭受灭绝威胁。</p>
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