Historic contributions to global warming worldwide 1850-2021, by country or region

The United States contributed roughly 17 percent of global warming from 1850 to 2021. By contrast, India contributed five percent of warming during this period, despite the country having a far larger population than the United States. In total, G20 countries have contributed approximately three-quarter of global warming to date.

自1850年至2021年，美国对全球变暖的贡献率约为17%。相较之下，印度在此期间对变暖的贡献仅为5%，尽管该国人口远超美国。总计而言，至目前为止，G20国家已贡献了全球变暖约三分之四。