environmentally hazardous

基本解释

Although rare earths are not in fact rare, their extraction is difficult and can often be environmentally hazardous.
虽然稀土实际上并不稀缺，但它们的开采过程难度较大，往往还具有环境危害。
blog.sina.com.cn
A112 –the substances that may be assigned to ID8000 and shipped as consumer commodities has been expanded to include UN3077 and UN3082, environmentally hazardous substances.
在归类为ID8000，按照日用消费品运输的物质中，增加了UN3077及UN3082，危害环境的物质。
C. Although these outputs are environmentally hazardous, some plants still generate them as waste products despite the high compliance costs they impose.
虽然这些排放物有毒，但是仍有一些工厂排放它们，尽管有高额的遵循成本要付。
formosamba.com

Unlike conventional monitors, LED-backlit displays contain few or no environmentally hazardous substances, such as mercury or lead, and use about 40 percent less energy.
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The eco-rating system assesses 15 specific criteria drawn from five general categories of sustainability attributes - attributes include the usage of environmentally preferable materials, minimization of hazardous substances, energy efficiency, responsible end-of-life treatment and environmentally-responsible manufacturing.
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