Hamnett does not believe environmental concern is a passing fad.

哈姆内特不相信对环境的关注是一时的狂热。

《柯林斯英汉双解大词典》

The rampant loss of species occurring today is a major environmental concern.

目前，越来越多的物种濒临灭绝，这是一个重大的环境问题。

youdao

Disposing of the mercury once these bulbs wear out causes some environmental concern.

不考虑当这些灯泡坏掉后汞引发的一些环境问题。

youdao

But pollution is not the only environmental concern with transportation.

VOA: special.2010.01.11

Offshore deposits present a potentially enormous source of methane but also some environmental concern, because the underwater geology containing them is unstable in many places.

BBC: Production test

The mission is part of Esa's Earth Explorer programme - seven spacecraft that will do innovative science in obtaining data on issues of pressing environmental concern.

BBC: Esa's Cryosat ice mission given launch date

Although widespread pollution of groundwater by fracking seems unlikely (shales that hold gas typically lie far deeper than groundwater supplies), such risks have raised a great deal of environmental concern about the technology.

ECONOMIST: Shale gas should make the world a cleaner, safer place