Chinese President Xi Jinping (C), UN Secretary General Ban Ki-moon and U.S. President Barack Obama (R) shake hands during a joint ratification of the Paris climate change agreement ceremony ahead of the G20 Summit at the West Lake State Guest House in Hangzhou, China, September 3, 2016. REUTERS/How Hwee Young/Pool

Kína és az Amerikai Egyesült Államok ratifikálták a párizsi klímaszerződést!