COPENHAGEN, June 6, 2016 (Xinhua) -- Copenhagen Mayor Frank Jensen (1st, L) and delegates attend the ongoing Global Green Growth Forum (3GF) in Copenhagen, Denmark, on June 6, 2016. The annual Global Green Growth Forum (3GF) kicked here on Monday. 3GF is a partnership initiated in 2011 by the governments of Denmark, Mexico and South Korea, and was joined later by the governments of China, Kenya, Qatar and Ethiopia. (Xinhua/Shi Shouhe)