重新定义蓝色碳,以适应性估值为全球政策
Jack Sheehy1, Jo Porter1, Michael Bell1
1International Centre for Island Technology, Heriot-Watt University, Orkney Campus, Robert Rendall Building, Franklin Road, Stromness, Orkney, Scotland KW16 3AW, UK.
The Science of the total environment
|November 5, 2023
概括
蓝色碳的定义各不相同,阻碍了气候政策. 这项研究重新定义了蓝色碳以符合认证标准,改善其在减缓气候变化和保护工作中的使用.
科学领域:
- 海洋生态海洋生态学
- 气候变化科学 气候变化科学
- 环境政策 环境政策
背景情况:
- 蓝色碳是指在红树林,海草和盐沼等海洋生态系统中被封存的碳,缺乏一致的定义.
- 目前的定义,通常是基于息地或物种的标准,创造了模两可,阻碍了政策整合,特别是通过碳交易缓解气候变化.
- 碳交易的标准制定组织 (SSO) 制定了自己的认证标准,这些标准往往取代了现有的定义.
研究的目的:
- 提出重新定义的蓝色碳概念,与政策应用和认证标准保持一致.
- 提高蓝色碳在减缓气候变化,适应气候变化和保护生物多样性的有效性.
- 解决阻碍蓝色碳融入全球政策框架的定义不确定性.
主要方法:
- 分析现有的蓝色碳定义及其在政策环境中的局限性.
- 检查标准制定组织 (SSO) 用于碳交易的认证标准.
- 开发重新定义的蓝色碳概念,包括沉积式碳库存和适应性认证.
主要成果:
- 蓝色碳的重新定义包括沉积物和生物质,这对长期储存碳至关重要.
- 调整蓝色碳定义与五个关键的SSO认证标准:基线,附加性,永久性,泄漏和副效益.
- 展示重新定义的概念如何支持气候缓解,适应和生物多样性保护.
结论:
- 根据SSO认证标准重新定义蓝色碳,提高了其政策相关性和实际应用.
- 将沉积式碳库存纳入定义扩大了蓝色碳倡议的范围和潜在影响.
- 拟议的重新定义和适应性认证方法为全球环境战略中更有效地利用蓝色碳提供了途径.
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