国内英语资讯:China, India contribute most to global greenery expansion: NASA data
<p><span word="WASHINGTON">WASHINGTON</span>, <span word="Feb">Feb</span>. 12-- <span word="Data">Data</span> <span word="from">from</span> <span word="NASA">NASA</span> <span word="satellites">satellites</span> <span word="have">have</span> <span word="shown">shown</span> <span word="that">that</span> <span word="China">China</span> <span word="and">and</span> <span word="India">India</span> <span word="led">led</span> <span word="the">the</span> <span word="way">way</span> <span word="in">in</span> <span word="greening">greening</span> <span word="on">on</span> <span word="land">land</span>, <span word="thanks">thanks</span> <span word="to">to</span> <span word="ambitious">ambitious</span> <span word="tree">tree</span>-<span word="planting">planting</span> <span word="programs">programs</span> <span word="in">in</span> <span word="China">China</span> <span word="and">and</span> <span word="intensive">intensive</span> <span word="agriculture">agriculture</span> <span word="in">in</span> <span word="both">both</span> <span word="countries">countries</span>.</p><p><span word="The">The</span> <span word="study">study</span> <span word="published">published</span> <span word="in">in</span> <span word="the">the</span> <span word="latest">latest</span> <span word="edition">edition</span> <span word="in">in</span> <span word="Nature">Nature</span> <span word="Sustainability">Sustainability</span> <span word="on">on</span> <span word="Monday">Monday</span> <span word="showed">showed</span> <span word="that">that</span> <span word="at">at</span> <span word="least">least</span> 25 <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="foliage">foliage</span> <span word="expansion">expansion</span> <span word="since">since</span> <span word="the">the</span> <span word="early">early</span> 2000<span word="s">s</span> <span word="globally">globally</span> <span word="came">came</span> <span word="in">in</span> <span word="China">China</span>.</p><p><span word="The">The</span> <span word="researchers">researchers</span> <span word="from">from</span> <span word="Boston">Boston</span> <span word="University">University</span> <span word="found">found</span> <span word="that">that</span> <span word="global">global</span> <span word="green">green</span> <span word="leaf">leaf</span> <span word="area">area</span> <span word="has">has</span> <span word="increased">increased</span> <span word="by">by</span> 5 <span word="percent">percent</span> <span word="in">in</span> <span word="the">the</span> <span word="new">new</span> <span word="century">century</span>, <span word="an">an</span> <span word="area">area</span> <span word="equivalent">equivalent</span> <span word="to">to</span> <span word="all">all</span> <span word="of">of</span> <span word="the">the</span> <span word="Amazon">Amazon</span> <span word="rainforest">rainforest</span>.</p><p>"<span word="China">China</span> <span word="and">and</span> <span word="India">India</span> <span word="account">account</span> <span word="for">for</span> <span word="one">one</span>-<span word="third">third</span> <span word="of">of</span> <span word="the">the</span> <span word="greening">greening</span>, <span word="but">but</span> <span word="contain">contain</span> <span word="only">only</span> <span word="nine">nine</span> <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="planet">planet</span>'<span word="s">s</span> <span word="land">land</span> <span word="area">area</span> <span word="covered">covered</span> <span word="in">in</span> <span word="vegetation">vegetation</span>," <span word="said">said</span> <span word="lead">lead</span> <span word="author">author</span> <span word="Chen">Chen</span> <span word="Chi">Chi</span> <span word="of">of</span> <span word="Boston">Boston</span> <span word="University">University</span>.</p><p>"<span word="That">That</span> <span word="is">is</span> <span word="a">a</span> <span word="surprising">surprising</span> <span word="finding">finding</span>, <span word="considering">considering</span> <span word="the">the</span> <span word="general">general</span> <span word="notion">notion</span> <span word="of">of</span> <span word="land">land</span> <span word="degradation">degradation</span> <span word="in">in</span> <span word="populous">populous</span> <span word="countries">countries</span> <span word="from">from</span> <span word="over">over</span>-<span word="exploitation">exploitation</span>," <span word="said">said</span> <span word="Chen">Chen</span>.</p><p><span word="Rama">Rama</span> <span word="Nemani">Nemani</span>, <span word="a">a</span> <span word="research">research</span> <span word="scientist">scientist</span> <span word="at">at</span> <span word="NASA">NASA</span>'<span word="s">s</span> <span word="Ames">Ames</span> <span word="Research">Research</span> <span word="Center">Center</span> <span word="and">and</span> <span word="a">a</span> <span word="co">co</span>-<span word="author">author</span> <span word="of">of</span> <span word="the">the</span> <span word="study">study</span> <span word="said">said</span>: "<span word="When">When</span> <span word="the">the</span> <span word="greening">greening</span> <span word="of">of</span> <span word="the">the</span> <span word="Earth">Earth</span> <span word="was">was</span> <span word="first">first</span> <span word="observed">observed</span>, <span word="we">we</span> <span word="thought">thought</span> <span word="it">it</span> <span word="was">was</span> <span word="due">due</span> <span word="to">to</span> <span word="a">a</span> <span word="warmer">warmer</span>, <span word="wetter">wetter</span> <span word="climate">climate</span> <span word="and">and</span> <span word="fertilization">fertilization</span> <span word="from">from</span> <span word="the">the</span> <span word="added">added</span> <span word="carbon">carbon</span> <span word="dioxide">dioxide</span> <span word="in">in</span> <span word="the">the</span> <span word="atmosphere">atmosphere</span>."</p><p><span word="But">But</span> <span word="with">with</span> <span word="data">data</span> <span word="from">from</span> <span word="NASA">NASA</span>'<span word="s">s</span> <span word="Terra">Terra</span> <span word="and">and</span> <span word="Aqua">Aqua</span> <span word="satellites">satellites</span>, <span word="scientists">scientists</span> <span word="realized">realized</span> <span word="that">that</span> <span word="humans">humans</span> <span word="are">are</span> <span word="also">also</span> <span word="contributing">contributing</span>.</p><p>"<span word="Humans">Humans</span> <span word="are">are</span> <span word="incredibly">incredibly</span> <span word="resilient">resilient</span>. <span word="That">That</span>'<span word="s">s</span> <span word="what">what</span> <span word="we">we</span> <span word="see">see</span> <span word="in">in</span> <span word="the">the</span> <span word="satellite">satellite</span> <span word="data">data</span>," <span word="said">said</span> <span word="Nemani">Nemani</span>.</p><p><span word="China">China</span>'<span word="s">s</span> <span word="contribution">contribution</span> <span word="to">to</span> <span word="the">the</span> <span word="global">global</span> <span word="greening">greening</span> <span word="trend">trend</span> <span word="comes">comes</span> <span word="in">in</span> <span word="large">large</span> <span word="part">part</span> <span word="from">from</span> <span word="its">its</span> <span word="programs">programs</span> <span word="to">to</span> <span word="conserve">conserve</span> <span word="and">and</span> <span word="expand">expand</span> <span word="forests">forests</span>, <span word="accounting">accounting</span> <span word="for">for</span> <span word="about">about</span> 42 <span word="percent">percent</span> <span word="of">of</span> <span word="the">the</span> <span word="greening">greening</span> <span word="contribution">contribution</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="study">study</span>.</p>
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