The goal of treatment of flatulence is to reduce gas and odor.

的目标，治疗肠胃气胀是减少气体和气味。

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Second, when we go out, take public transport as much as possible, to reduce gas emissions and to ease the transporting pressures.

其次，当我们外出时，尽可能采取公共交通，减少气体排放，缓解运输压力。

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Pricing carbon proves the most economical way to reduce greenhouse gas emissions.

碳定价被证明是减少温室气体排放最经济的方式。

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The goal was to reach a legally binding agreement to reduce greenhouse gas emissions, blamed for heating up the atmosphere.

VOA: standard.2009.12.06

The European Union is at the forefront of a global push to reduce greenhouse gas emissions.

VOA: standard.2009.11.26

Many nations have pledged to reduce greenhouse gas emissions, but are falling short of the target reduction of 25 to 40 percent of 1990 levels.

VOA: standard.2009.09.28

We might want to reduce gas usage for peak oil reasons, might want to do it for climate change reasons.

FORBES: One Gallon of Gas Can Charge an iPhone for 20 Years

"Bearing in mind the approaching winter season and higher demand for gas, as well as the Ukrainian repeated failures to fulfil gas contracts, Gazprom will have to reduce gas deliveries to Ukrainian consumers if the debt is not settled in October, " the company said.

BBC: NEWS | Business | Gazprom may cut gas to Ukraine

Northern Gas Networks said it was replacing ageing metal gas mains with plastic equivalents to "reduce gas leakage and enhance network reliability".

BBC: Generic water works