保护干旱地区水资源就要少吃肉吗
<p> 保护干旱地区水资源就要少吃肉？ <span word="Eating">Eating</span> <span word="less">less</span> <span word="meat">meat</span> <span word="would">would</span> <span word="protect">protect</span> <span word="water">water</span> <span word="resources">resources</span> <span word="in">in</span> <span word="dry">dry</span> <span word="areas">areas</span> <span word="around">around</span> <span word="the">the</span> <span word="world">world</span>, <span word="researchers">researchers</span> <span word="at">at</span> <span word="Aalto">Aalto</span> <span word="University">University</span> <span word="have">have</span> <span word="found">found</span>. <span word="Reducing">Reducing</span> <span word="the">the</span> <span word="use">use</span> <span word="of">of</span> <span word="animal">animal</span> <span word="products">products</span> <span word="can">can</span> <span word="have">have</span> <span word="a">a</span> <span word="considerable">considerable</span> <span word="impact">impact</span> <span word="on">on</span> <span word="areas">areas</span> <span word="suffering">suffering</span> <span word="scarce">scarce</span> <span word="water">water</span> <span word="resources">resources</span>, <span word="as">as</span> <span word="meat">meat</span> <span word="production">production</span> <span word="requires">requires</span> <span word="more">more</span> <span word="water">water</span> <span word="than">than</span> <span word="other">other</span> <span word="agricultural">agricultural</span> <span word="products">products</span>. <span word="Diet">Diet</span> <span word="change">change</span> <span word="together">together</span> <span word="with">with</span> <span word="other">other</span> <span word="actions">actions</span>, <span word="such">such</span> <span word="as">as</span> <span word="reduction">reduction</span> <span word="of">of</span> <span word="food">food</span> <span word="losses">losses</span> <span word="and">and</span> <span word="waste">waste</span>, <span word="may">may</span> <span word="tackle">tackle</span> <span word="the">the</span> <span word="future">future</span> <span word="challenges">challenges</span> <span word="of">of</span> <span word="food">food</span> <span word="security">security</span>, <span word="states">states</span> <span word="researcher">researcher</span> <span word="Mika">Mika</span> <span word="Jalava">Jalava</span> <span word="from">from</span> <span word="Aalto">Aalto</span> <span word="University">University</span>. <span word="Growing">Growing</span> <span word="population">population</span> <span word="and">and</span> <span word="climate">climate</span> <span word="change">change</span> <span word="are">are</span> <span word="likely">likely</span> <span word="to">to</span> <span word="increase">increase</span> <span word="the">the</span> <span word="pressure">pressure</span> <span word="on">on</span> <span word="already">already</span> <span word="limited">limited</span> <span word="water">water</span> <span word="resources">resources</span> <span word="and">and</span> <span word="diet">diet</span> <span word="change">change</span> <span word="has">has</span> <span word="been">been</span> <span word="suggested">suggested</span> <span word="as">as</span> <span word="one">one</span> <span word="of">of</span> <span word="the">the</span> <span word="measures">measures</span> <span word="contributing">contributing</span> <span word="to">to</span> <span word="adequate">adequate</span> <span word="food">food</span> <span word="security">security</span> <span word="for">for</span> <span word="growing">growing</span> <span word="population">population</span>. <span word="The">The</span> <span word="researchers">researchers</span> <span word="assessed">assessed</span> <span word="the">the</span> <span word="impact">impact</span> <span word="of">of</span> <span word="diet">diet</span> <span word="change">change</span> <span word="on">on</span> <span word="global">global</span> <span word="water">water</span> <span word="resources">resources</span> <span word="over">over</span> <span word="four">four</span> <span word="scenarios">scenarios</span>, <span word="where">where</span> <span word="the">the</span> <span word="meat">meat</span> <span word="consumption">consumption</span> <span word="was">was</span> <span word="gradually">gradually</span> <span word="reduced">reduced</span> <span word="while">while</span> <span word="diet">diet</span> <span word="recommendations">recommendations</span> <span word="in">in</span> <span word="terms">terms</span> <span word="of">of</span> <span word="energy">energy</span> <span word="supply">supply</span>, <span word="proteins">proteins</span> <span word="and">and</span> <span word="fat">fat</span> <span word="were">were</span> <span word="followed">followed</span>. <span word="The">The</span> <span word="study">study</span> <span word="published">published</span> <span word="in">in</span> <span word="Environmental">Environmental</span> <span word="Research">Research</span> <span word="Letters">Letters</span> <span word="is">is</span> <span word="the">the</span> <span word="first">first</span> <span word="global">global</span>-<span word="scale">scale</span> <span word="analysis">analysis</span> <span word="with">with</span> <span word="a">a</span> <span word="focus">focus</span> <span word="on">on</span> <span word="changes">changes</span> <span word="in">in</span> <span word="national">national</span> <span word="diets">diets</span> <span word="and">and</span> <span word="their">their</span> <span word="impact">impact</span> <span word="on">on</span> <span word="the">the</span> <span word="blue">blue</span> <span word="and">and</span> <span word="green">green</span> <span word="water">water</span> <span word="use">use</span> <span word="of">of</span> <span word="food">food</span> <span word="consumption">consumption</span>. <span word="Food">Food</span> <span word="supply">supply</span> <span word="for">for</span> <span word="growing">growing</span> <span word="population">population</span> <span word="Global">Global</span> <span word="population">population</span> <span word="is">is</span> <span word="expected">expected</span> <span word="to">to</span> <span word="exceed">exceed</span> 9 <span word="billion">billion</span> <span word="by">by</span> 2050, <span word="adding">adding</span> <span word="over">over</span> 2 <span word="billion">billion</span> <span word="mouths">mouths</span> <span word="to">to</span> <span word="be">be</span> <span word="fed">fed</span> <span word="to">to</span> <span word="the">the</span> <span word="current">current</span> <span word="population">population</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="UN">UN</span>. <span word="By">By</span> <span word="reducing">reducing</span> <span word="the">the</span> <span word="animal">animal</span> <span word="product">product</span> <span word="contribution">contribution</span> <span word="in">in</span> <span word="the">the</span> <span word="diet">diet</span>, <span word="global">global</span> <span word="green">green</span> <span word="water">water</span> <span word="consumption">consumption</span> <span word="decreases">decreases</span> <span word="up">up</span> <span word="to">to</span> 21 % <span word="while">while</span> <span word="for">for</span> <span word="blue">blue</span> <span word="water">water</span> <span word="the">the</span> <span word="reductions">reductions</span> <span word="would">would</span> <span word="be">be</span> <span word="up">up</span> <span word="to">to</span> 14 %. <span word="In">In</span> <span word="other">other</span> <span word="words">words</span>, <span word="by">by</span> <span word="shifting">shifting</span> <span word="to">to</span> <span word="vegetarian">vegetarian</span> <span word="diet">diet</span> <span word="we">we</span> <span word="could">could</span> <span word="secure">secure</span> <span word="adequate">adequate</span> <span word="food">food</span> <span word="supply">supply</span> <span word="for">for</span> <span word="an">an</span> <span word="additional">additional</span> 1.8 <span word="billion">billion</span> <span word="people">people</span> <span word="without">without</span> <span word="increasing">increasing</span> <span word="the">the</span> <span word="use">use</span> <span word="of">of</span> <span word="water">water</span> <span word="resources">resources</span>. <span word="The">The</span> <span word="potential">potential</span> <span word="savings">savings</span> <span word="are">are</span>, <span word="however">however</span>, <span word="distributed">distributed</span> <span word="unevenly">unevenly</span>, <span word="and">and</span> <span word="even">even</span> <span word="more">more</span> <span word="important">important</span>, <span word="their">their</span> <span word="potential">potential</span> <span word="alleviation">alleviation</span> <span word="on">on</span> <span word="water">water</span> <span word="scarcity">scarcity</span> <span word="varies">varies</span> <span word="widely">widely</span> <span word="from">from</span> <span word="country">country</span> <span word="to">to</span> <span word="country">country</span>. <span word="Regional">Regional</span> <span word="differences">differences</span> <span word="The">The</span> <span word="researchers">researchers</span> <span word="at">at</span> <span word="Aalto">Aalto</span> <span word="University">University</span> <span word="found">found</span> <span word="substantial">substantial</span> <span word="regional">regional</span> <span word="differences">differences</span> <span word="in">in</span> <span word="diet">diet</span> <span word="change">change</span> <span word="potential">potential</span> <span word="to">to</span> <span word="reduce">reduce</span> <span word="water">water</span> <span word="use">use</span>. <span word="In">In</span> <span word="Latin">Latin</span> <span word="America">America</span>, <span word="Europe">Europe</span>, <span word="Central">Central</span> <span word="and">and</span> <span word="Eastern">Eastern</span> <span word="Asia">Asia</span>, <span word="and">and</span> <span word="Sub">Sub</span>-<span word="Saharan">Saharan</span> <span word="Africa">Africa</span>, <span word="diet">diet</span> <span word="change">change</span> <span word="reduces">reduces</span> <span word="mainly">mainly</span> <span word="green">green</span> <span word="water">water</span> <span word="use">use</span>. <span word="In">In</span> <span word="Finland">Finland</span>, <span word="for">for</span> <span word="example">example</span>, <span word="turning">turning</span> <span word="into">into</span> <span word="a">a</span> <span word="meat">meat</span> <span word="free">free</span> <span word="diet">diet</span> <span word="would">would</span> <span word="decrease">decrease</span> <span word="the">the</span> <span word="daily">daily</span> <span word="green">green</span> <span word="water">water</span> <span word="use">use</span> <span word="of">of</span> <span word="a">a</span> <span word="Finn">Finn</span> <span word="over">over</span> 530 <span word="litres">litres</span> <span word="but">but</span> <span word="at">at</span> <span word="the">the</span> <span word="same">same</span> <span word="time">time</span> <span word="resulting">resulting</span> <span word="nearly">nearly</span> 50 <span word="litres">litres</span> <span word="increase">increase</span> <span word="in">in</span> <span word="blue">blue</span> <span word="water">water</span> <span word="use">use</span>. <span word="In">In</span> <span word="the">the</span> <span word="Middle">Middle</span> <span word="East">East</span> <span word="region">region</span>, <span word="North">North</span> <span word="America">America</span>, <span word="Australia">Australia</span> <span word="and">and</span> <span word="Oceania">Oceania</span>, <span word="also">also</span> <span word="blue">blue</span> <span word="water">water</span> <span word="use">use</span> <span word="would">would</span> <span word="decrease">decrease</span> <span word="considerably">considerably</span>. <span word="In">In</span> <span word="South">South</span> <span word="and">and</span> <span word="Southeast">Southeast</span> <span word="Asia">Asia</span>, <span word="on">on</span> <span word="the">the</span> <span word="other">other</span> <span word="hand">hand</span>, <span word="diet">diet</span> <span word="change">change</span> <span word="does">does</span> <span word="not">not</span> <span word="result">result</span> <span word="in">in</span> <span word="savings">savings</span> <span word="in">in</span> <span word="water">water</span> <span word="use">use</span>, <span word="as">as</span> <span word="in">in</span> <span word="these">these</span> <span word="regions">regions</span> <span word="the">the</span> <span word="diet">diet</span> <span word="is">is</span> <span word="already">already</span> <span word="largely">largely</span> <span word="based">based</span> <span word="on">on</span> <span word="a">a</span> <span word="minimal">minimal</span> <span word="amount">amount</span> <span word="of">of</span> <span word="products">products</span>. <span word="The">The</span> <span word="research">research</span> <span word="is">is</span> <span word="just">just</span> <span word="published">published</span> <span word="in">in</span> <span word="Environmental">Environmental</span> <span word="Research">Research</span> <span word="Letters">Letters</span>.</p>
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