Climate Performance Index: A Study of the Performance of G20 Countries in Mitigation

Multilateral forums like the Group of Twenty (G20) play a crucial role in bolstering global collective action against climate change. The G20 gathers the world’s most developed economies and emerging ones, which together account for more than 80 percent of global GDP, 75 percent of international trade, and 60 percent of global population. [1] The G20 economies are responsible for about 75 to 80 percent of global greenhouse gas emissions. [2] All but one of the top 10 carbon-emitting countries are G20 members. [3]