V2EX additionality

Additionality

释义 Definition

(尤用于气候政策、碳市场与项目评估)额外性:指某项行动或项目所带来的效果(如减排、节能、社会效益等)必须是“如果没有该项目就不会发生”的新增部分。常用于判断碳信用/抵消是否可信。(该词在不同领域也可泛指“新增贡献/额外增量”。)

发音 Pronunciation (IPA)

/dnlti/

例句 Examples

The auditor checked the project’s additionality before approving the credits.
审计员在批准碳信用之前核查了该项目的额外性。

To demonstrate additionality, the company had to show that the emissions cuts were not required by law and were unlikely without carbon finance.
为证明额外性,这家公司必须说明这些减排并非法律强制要求,而且如果没有碳融资也不太可能实现。

词源 Etymology

来自 additional(额外的、附加的)+ 名词后缀 -ity(表示性质、状态)。在政策与评估语境中逐渐固定为术语,用来强调“新增而非本来就会发生”的效果。

相关词 Related Words

文学与著名作品 Notable Works

  • Kyoto Protocol(《京都议定书》相关机制语境中常见)
  • The Stern Review on the Economics of Climate Change(《斯特恩报告》)
  • IPCC Assessment Reports(政府间气候变化专门委员会《评估报告》)
  • Clean Development Mechanism (CDM) Modalities and Procedures(清洁发展机制规则文件,系统讨论额外性)
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