V2EX net zero

Net Zero

定义 Definition

net zero净零(排放);指在一定时期内(常指每年或到某个年份),人类活动产生的温室气体排放量与通过减排、碳汇(如森林)或碳移除技术所抵消的量相等,从而实现“净排放为零”。常见于“net-zero emissions(净零排放)”“net-zero target(净零目标)”。(在其他语境中也可指“净值为零”,但气候语境最常见。)

例句 Examples

Our company aims to reach net zero by 2040.
我们公司计划在2040年前实现净零(排放)。

To achieve net zero, governments must cut emissions rapidly while investing in carbon removal for the hardest-to-abate sectors.
要实现净零,政府必须迅速减排,同时为最难减排的行业投资碳移除措施。

发音 Pronunciation

/net zro/

词源 Etymology

net 原意为“净的、扣除后的”(如 net profit 净利润),强调把“增加”和“抵消”相互抵扣后的结果;zero 为“零”。两者组合为 net zero,字面即“净值为零”。在气候政策语境中,该表达在近几十年随全球减排与气候治理议题而广泛传播,用来描述“排放吸收/移除”相抵后的总体结果。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Dieter Helm,《Net Zero: How We Stop Causing Climate Change》(书名即使用该词组)
  • Bill Gates,《How to Avoid a Climate Disaster》(讨论实现“net-zero”路径与政策)
  • Kim Stanley Robinson,《The Ministry for the Future》(小说中涉及“net zero”与气候治理目标的讨论)
  • David Wallace-Wells,《The Uninhabitable Earth》(谈及减排与迈向“net-zero emissions”的必要性)
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