WASHINGTON, DC – Coal is emerging as a major topic of conversation at the United Nations climate-change negotiations currently taking place in Warsaw – and rightly so. Indeed, it is a discussion that the world needs to have.
华盛顿—在最近正在华沙进行的联合国气候变化谈判中，煤炭成为对话的主要话题之一——确实应该如此。事实上，世界正需要这样一场讨论。