具体表现为以下几类：酸雨、臭氧层破坏、生物多样性锐减、海洋污染、全球气候变化以及有淡水资源污染、土地资源污染、毒化学品污染和危险废物越界转移等。
汞污染已成为全球性环境问题。
Mercury pollution is one of the serious environment issues in the world.
气候变化已成为当今最主要的全球性环境问题之一。
Climate Change has currently been one of the most important global environmental issues.
外来生物物种入侵已成为严重的全球性环境问题之一。
Alien biological species invasion has become one of serious global environmental problems.
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