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许多政府正在试图减少温室气体排放，以应对气候变化。但我们能否实现不产生任何多余排放的目标？
Weareallawareoftheeffectgreenhousegasemissions1ishavingonourplanetandtheeffortsneededtotackleclimatechange.Mostofusaredoingourbittominimiseourimpactontheenvironment,butdespiteourcollectiveeffort,arewedoingenoughtoachievenetzeroby2050
Netzeromeansnotaddingtotheamountofgreenhousegasesintheatmosphere.Manycountriesaredoingtheirbitbychanginghowtheygenerateandusepower,thereby2cuttingcarbondioxideoutput.AndtheyannouncedwhatfurtherstepstheyweregoingtotakeattherecentCOP26summitinGlasgow.
IntheUK,thegovernmenthasbeensettingoutitsplanstoachievenetzeroby2050.It‘srecentlyannouncedanenddateforthesaleofgasboilers3,whichareusedforheatinghomes.Theideaistoreplacethemwithheatpumps.It‘sofferinghomeownersgrantsofupto£5,000togettheminstalled.AnotherinitiativeintheUKisabigpushtowardselectricvehicles.Therearetobefinancialincentives4forcarmanufacturers,andmorechargingpointsaretobeinstalledinstreets.Andthere‘stobeabanonthesaleofnewpetrolanddiesel5carsby2030.
Butnotallemissionscanbereducedtozero,sothoseremainingwillhavetobecompensated6for,oroffset7.Onewaytodothisistoplantthousandsoftrees,whicharegoodatabsorbingcarbondioxide.TheUKgovernmenthaspledgedtoplant30,000hectaresoftreesayearby2025.Thereareotherideastoo,butwhat‘scertainisthiswillcostmoney.TheCBI‘sTomThackraytoldtheBBCthat“thosecostshavetobeweighedupagainstthecostofinaction.”
WhethertheUK,oranyoneelse,reachesnetzeroremains8tobeseen.Andthere‘ssomedoubtabouthowthiscanbeaccurately9measuredanyway.Butit‘sgenerallyrecognisedthataglobaleffortisneededtotackleclimatechange.Therefore,netzerotargetsonlymakesenseifeveryothercountryismovinginthesamedirection.
点击收听单词发音
1emissions 排放物(emission的名词复数)；散发物（尤指气体）参考例句：
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Mostscientistsacceptthatclimatechangeislinkedtocarbonemissions.大多数科学家都相信气候变化与排放的含碳气体有关。
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Dangerousemissionsradiatefromplutonium.危险的辐射物从钚放散出来。
2thereby adv.因此，从而参考例句：
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Ihaveneverbeentothatcity,,erebyIdon‘tknowmuchaboutit.我从未去过那座城市，因此对它不怎么熟悉。
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HebecameaBritishcitizen,therebygainingtherighttovote.他成了英国公民，因而得到了投票权。
3boilers 锅炉，烧水器，水壶(boiler的名词复数)参考例句：
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Eventhentheboilersoftenburstorcameapartattheseams.甚至那时的锅炉也经常从焊接处爆炸或裂开。来自英汉非文学-科学史
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Thecleancoalissenttoacrusherandtheboilers.干净的煤送入破碎机和锅炉。
4incentives 激励某人做某事的事物(incentive的名词复数)；刺激；诱因；动机参考例句：
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taxincentivestoencouragesavings鼓励储蓄的税收措施
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Furthermore,subsidiesprovideincentivesonlyforinvestmentsinequipment.更有甚者，提供津贴仅是为鼓励增添设备的投资。来自英汉非文学-环境法-环境法
5diesel n.柴油发动机，内燃机参考例句：
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Weexperimentedwithdieselenginestodrivethepumps.我们试着用柴油机来带动水泵。
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Mytractoroperatesondieseloil.我的那台拖拉机用柴油开动。
6compensated 补偿，报酬(compensate的过去式和过去分词)；给（某人）赔偿（或赔款）参考例句：
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Themarvelousactingcompensatedfortheplay‘sweakscript.本剧的精彩表演弥补了剧本的不足。
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Icompensatedhislosswithmoney.我赔偿他经济损失。
7offset n.分支，补偿；v.抵消，补偿参考例句：
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Theirwageincreaseswouldbeoffsetbyhigherprices.他们增加的工资会被物价上涨所抵消。
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Heputuphispricestooffsettheincreasedcostofmaterials.他提高了售价以补偿材料成本的增加。
8remains n.剩余物，残留物；遗体，遗迹参考例句：
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Heatetheremainsoffoodhungrily.他狼吞虎咽地吃剩余的食物。
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Theremainsofthemealwerefedtothedog.残羹剩饭喂狗了。
9accurately adv.准确地，精确地参考例句：
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Itishardtohittheballaccurately.准确地击中球很难。
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Nowscientistscanforecasttheweatheraccurately.现在科学家们能准确地预报天气。
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