Material Efficiency Policy and Nationally Determined Contributions

This is a table containing the data used to create Table 4, Number of G20 countries that include energy or material efficiency commitments in 2nd round of National Determined Contributions in the paper, Policy for material efficiency: Enabling new climate change mitigation strategies by Lifset et al.

本数据集为一张原始数据表，其所载数据用于生成利夫塞特等人（Lifset et al.）发表的论文《材料效率政策：赋能新型气候变化减缓策略》（Policy for material efficiency: Enabling new climate change mitigation strategies）中的表4——该表统计了在第二轮国家自主贡献（National Determined Contributions）中纳入能源或材料效率承诺的二十国集团（G20）成员国数量。