Minimise the content of any environmentally harmful substances.

减少所有环境有害物质的含量。

youdao

They're organizing a campaign to draw people's attention to the environmentally harmful effects of using their cars.

他们正在组织一场运动，目的是使人们意识到开车对环境造成的危害。

youdao

Miz Gunnoe works with a coalition to organize neighborhood groups to fight environmentally harmful activities by coal companies.

Gunnoe夫人与一环保联盟一道致力于组织社区团体，与煤矿公司的环境破坏活动作斗争。

youdao

Miz Gunnoe works with a coalition to organize neighborhood groups to fight environmentally harmful activities by coal companies.

VOA: special.2009.04.27

Worse still, because of the dirty nature of much energy production and use, these tend to be environmentally harmful as well.

ECONOMIST: Energy policy

Fuel cells offer several advantages: they do not have moving parts and there is no burning involved, so there are negligible emissions of environmentally harmful gases like nitrogen, sulfur oxide and carbon monoxide.

FORBES: Magazine Article

While new coal plants seem to be on the horizon in Texas, power companies operating in the state are also aware of a shift toward cleaner technologies, including nuclear power, which has no environmentally harmful emissions.

FORBES: Magazine Article