Their policies are environmentally sound.

他们的政策对环境没有不利的影响。

《牛津词典》

If we are ever going to protect the atmosphere, it is crucial that those new plants be environmentally sound.

如果我们要保护大气层，这些新工厂必须对环境无害，这一点至关重要。

youdao

Governments need to formulate energy policies that promote economically and environmentally sound development.

各国政府需要制订促进经济和环境充分发展的能源政策。

youdao

He is the director of applied research for the Solid Waste Association of North America, a professional organization that promotes the efficient and environmentally-sound management of municipal solid waste.

VOA: standard.2010.08.05

I'm interested in nonaqueous electrochemistry, so molten salts and polymers, the applied research. First of all, interested in environmentally sound technologies for extraction, refining, recycling of metals.

我对非水溶剂电化学感兴趣，还有熔盐和聚合物，以及应用性研究，首先，对环保型技术提取感兴趣,如金属的提取和精炼，以及循环回收。

麻省理工公开课 - 固态化学导论课程节选

I'm in favor of finding environmentally sound ways to tap our oil and our natural gas.

WHITEHOUSE: President Obama Holds Town Hall in New Orleans

It's a prime example of how a small, environmentally sound farm can work and be profitable.

NPR: In Agriculture, Bigger Isn't Always Better

Still, environmentally sound natural gas production will never exist until producers themselves get serious about environmental management.

WSJ: Is Natural Gas the Road to a Clean Energy Future?