In Warsaw and beyond, it is vitally important that the international community reaches a sufficiently high common denominator in limiting greenhouse-gas emissions. If not, we will not be able to limit the global temperature increase to a sustainable level.
但是，廉价能源资源最终可能变为高价，尽管会有一个政治扯皮的时滞。简言之，目前的污染成本太低，尽管紧迫程度很高。在华沙及其后的会议上，国际社会就限制温室气体排放问题形成充分的高度一致至关重要。若非如此，我们就无法将全球温度升高限制在可持续水平。