environmental hazard

基本解释

They're also an environmental hazard.
它们同样对环境也是一种威胁。
Is spam causing the environmental hazard of greenhouse gas emissions?
垃圾邮件引起温室气体排放，导致环境危害？
Moreover, PHEV batteries, which can weigh hundreds of pounds, could pose a major environmental hazard unless regulated by mandatory recycling.
而且，除非以强制回收规定，可重达数百磅的PHEV电池将会成为一个巨大的环保隐患。

And he has also shown that it might be a good sign—a so-called bioindicator—of the effects of pollution near a suspected environmental hazard.
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The opponents of the project worry that the vast club will choke their scenic city of red-roofed stone houses and aquamarine sea, dubbed the Pearl of the Adriatic, and would represent an environmental hazard without bringing financial gains for Dubrovnik residents.
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Certain findings that seem to point to the existence of a hazard have been trumpeted by groups like the Environmental Health Trust and the BioInitiative group.
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