史上最严重的大规模珊瑚白化事件之一发生于1998年——该年也是有史以来最热的一年，与2010年一样，也是厄尔尼诺现象的一年。

One of the worst mass bleaching events in history occurred in 1998 — which was also one of the hottest years on record, and like 2010, an El Nio year.

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海洋温度上升、海水污染、海水变酸和飓风频发将大量的珊瑚漂白。

Rising ocean temperatures, water pollution, ocean acidification and cyclones continually pummel the reef and have caused mass coral bleaching.

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