The laws controlling pollution must be strictly enforced.

控制污染的法律必须严格执行。

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Source identification of heavy metals was the precondition of preventing and controlling pollution.

对土壤重金属污染物来源的鉴别是准确、有效控制和治理污染源的前提。

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In particular, the project will focus on improving and protecting drinking water quality and controlling pollution.

本项目将尤其重视改善饮用水质量，保护饮用水源，控制污染。

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Deputies rejected a proposal to further tighten laws controlling environmental pollution by waste.

BBC: Guernsey States December meeting

While some liberal Democrats have proposed legislation to tax emissions of carbon dioxide, the chief greenhouse gas, Republicans controlling the House have pledged to block any and all efforts to price carbon pollution.

NPR: PROMISES, PROMISES: Climate Change

We can and should control surface pollution as that effects air quality yet there is a huge difference between controlling air quality as that remains constant in cold or warm environments while temperatures constantly fluctuate from day to night, month to month and year to year, in the Western isles of Europe we are having a particularly cool and wet summer.

FORBES: Good News For Polar Bears Is Bad News for Global Warming Alarmists