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Analysing comparable greenhouse gas mitigation efforts for Annex I countries

机译：分析附件一国家可比的温室气体减排努力

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摘要

EU Heads of State and Government agreed in March 2007 that the EU will reduce its greenhouse gas emissions to 30% below 1990 levels by 2020 within an international post-2012 climate agreement, provided that other developed (Annex I) countries commit to comparable reductions. Within this context, this paper first explores the pros and cons of many possible conceptual approaches to assess the comparability of the mitigation efforts by Annex I countries. We selected six approaches for further analysis, which represent efforts well and are technically feasible. The implications of each of these six approaches were analysed in terms of the reductions and abatement costs that must be made by different Annex I countries to meet an aggregate reduction of 20% and 30%, respectively, below 1990 levels by 2020. The analysis indicates that significant reductions are necessary for all developed countries. This study shows that reductions by the EU of at least 30%, combined with comparable reduction efforts by other developed countries to meet the aggregate Annex I reduction target of 30% by 2020 and support of developed countries for developing countries to keep their emissions 15-30% below the baseline, are sufficient to achieve the EU climate goal of 2℃.
机译：欧盟国家元首和政府首脑于2007年3月达成一致，只要其他发达国家（附件I）承诺做出类似的减排目标，则欧盟将在2012年后国际气候协议的基础上，到2020年将温室气体排放量减少至1990年水平的30％。在此背景下，本文首先探讨了许多可能的概念方法的优缺点，以评估附件一国家的缓解措施的可比性。我们选择了六种方法进行进一步分析，这些方法代表了良好的工作并且在技术上可行。分析了这六种方法中每种方法的影响，即不同的附件一国家必须实现的减排量和减排成本，以实现到2020年分别比1990年的水平分别减少20％和30％。分析表明所有发达国家都必须大幅度减少排放量。这项研究表明，欧盟的减排量至少达到了30％，同时其他发达国家也做出了类似的减排努力，以实现到2020年附件I减排总量达到30％的目标，并支持发达国家将发展中国家的排放量保持在15-比基线低30％，足以实现2摄氏度的欧盟气候目标。

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