尽管我们努力减少自然灾害和人为事件的危害，但全世界范围内灾难的频率和影响程度有上升的趋势。
Despite efforts to mitigate the risk of natural and man-made events, the frequency and impact of disasters are expected to increase worldwide.
警方调查火车出轨事件，没有排除人为破坏的可能。
Police investigating the train derailment have not ruled out sabotage.
与此同时，更多的研究把极端气候事件与人为的碳排放联系起来。
Meanwhile, more studies linked weather extremes to man-made emissions.
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