Fortunately, there is plenty to motivate world leaders to do what it takes. Indeed, the UN has had two major recent triumphs, with two more on the way before the end of this year.
幸运的是，世界领袖有充足的理由采取必要的措施。事实上，联合国近来已经取得了两次重大胜利，今年年底前还有两次将变为现实。