The Eco Forum Global Guiyang 2021 has kicked off in southwest China's Guizhou Province. After its first run in 2009, Eco Forum Global Guiyang is this year taking a look at initiatives of building a sustainable community in which humans and nature can coexist. The two-day event features more than 20 thematic forums on topics ranging from green energy and marine conservation to low-carbon transitioning. Also, a forum involving China and Switzerland aims to promote mountain economies and green development.