catastrophes
A catastrophe is an unexpected event that causes great suffering or damage.
From all points of view, war would be a catastrophe.
从各个方面来看,战争都会是一场灾难。
If the world is to avoid environmental catastrophe, advanced economies must undergo a profound transition.
如果世界想要避免环境灾难,经济发达的国家必须进行一场深刻的变革。