Climate Policy ( IF 5.3 ) Pub Date : 2021-08-23 , DOI: 10.1080/14693062.2021.1966358 Duong Thi Thuy Mai 1, 2
ABSTRACT
Since fast-growing emissions from the aviation sector have become a major contributor to climate change, global efforts have been undertaken to reduce them effectively. The European Union Emissions Trading System (EU ETS) and the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) are two existing market-based measures (MBMs) for addressing aviation emissions, whose implementation has been affected by the Coronavirus 2019 (COVID-19) pandemic. This article aims to examine challenges that the pandemic has posed on both systems by assessing the policy options for revising the EU ETS provisions on aviation, as well as the political debates regarding amendment to the CORSIA design in June 2020.
Key policy insights
From the environmental, economic and international perspectives, none of the six policy options proposed in the Inception Impact Assessment regarding future implementation of CORSIA alongside the EU ETS is optimal to achieving the EU’s multiple goals in revising its ETS.
This article recommends the adoption of a hybrid option, which would help maintain international intra-EU/European Free Trade Association (EFTA) flights under the EU ETS scope to achieve EU climate targets and at the same time still integrate some features of CORSIA’s design in implementation. Concerning the reduction of free allowances for aviation, the swift phase-out option should be considered in conjunction with plans to develop sustainable aviation fuels (SAFs).
While long-term effects of the pandemic on the effectiveness of CORSIA remain to be seen, its immediate impacts can be noticed in the weakening of this scheme’s credibility and stability in implementation.
中文翻译：
在 COVID-19 大流行时期修订 EU ETS 和 CORSIA：减少全球航空排放的挑战
摘要
由于航空部门快速增长的排放已成为气候变化的主要因素，全球已采取措施有效减少排放。欧盟排放交易体系 (EU ETS) 和国际航空碳抵消和减排计划 (CORSIA) 是解决航空排放的两项现有基于市场的措施 (MBM)，其实施受到了 2019 年冠状病毒 (COVID- 19) 大流行。本文旨在通过评估修订欧盟排放交易体系航空规定的政策选择，以及关于 2020 年 6 月修正 CORSIA 设计的政治辩论，来研究大流行对这两个系统构成的挑战。
关键政策见解
从环境、经济和国际的角度来看，初始影响评估中提出的关于未来与 EU ETS 一起实施 CORSIA 的六项政策选项都不是实现欧盟修订其 ETS 的多重目标的最佳选择。
本文建议采用混合选项，这将有助于维持 EU ETS 范围内的国际欧盟内部/欧洲自由贸易联盟 (EFTA) 航班，以实现欧盟气候目标，同时仍将 CORSIA 设计的一些特征融入到执行。关于减少航空免费配额，应结合开发可持续航空燃料 (SAF) 的计划考虑迅速淘汰选项。
虽然大流行对 CORSIA 有效性的长期影响仍有待观察，但可以从该计划的可信度和实施稳定性的削弱中看出其直接影响。
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