全球污染对人类构成威胁。
全球的污染，河流和海洋之死。
聚变将提供永不枯竭的能源，没有污染，也不会造成全球变暖。(也许他太乐观了. .)。
It would provide an inexhaustible supply of energy, without pollution or global warming.
调查报告还提到了全球性的污染危害。
空气污染虽是全球性话题，但同样也潜伏于我们自家周围。
Air pollution is a global issue but it's also lurking right outside your door.
我们需要清洁的空气，但不幸的是，空气污染是目前全球，尤其是在城市。
We need clean air, but unfortunately, air pollution is globally present, especially in cities.
污染是一个全球性的问题，需要全球关注。
Pollution is a global problem which needs a global response.
空气污染是全球性的问题。
污染已成为全球问题，对人类动物，植物有很大危害。
Pollution has become a global issue, at great risk to human beings, animals and plants.
煤甚至于比石油的污染还要大，尤其是考虑到全球气候变暖的情况。
Coal is even more polluting than oil, contributing even more to global warming.
我们需要清洁的空气，但不幸的是，空气污染是目前全球，尤其是在城市。
We need clean air, but unfortunately , air pollution is globally present , especially in cities.
水体中油类物质的污染是全球关注的又一焦点。
Water pollution from oil substances is another focus of global concern.
全球变暖的主要原因是人为污染。
许多外国评论员辩称，中国污染已成为一个全球问题。
Many foreign commentators argue that Chinese pollution is already a global problem.
全球变暖与空气污染有很大关系。
水环境污染治理的研究已成为一个全球性的课题。
So the research of prevention water environment form pollution has been a global issue.
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.
有关污染，这是个全球性问题。
汞污染是全球性的环境问题。
有关污染，这是个全球性问题。
有关污染，这是个全球性问题。
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