A bill that passed key committee in the house of Representatives in May aims to reduce greenhouse gas emission by 17 percent by 2020 from 2005 levels.

五月，众议院一个重要委员会通过了一项法案，订立的目标是至2020年，温室气体排放量在2005年基础上减少17%。

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To undertake the review and verification of projects of the safety technology renovation of key coal mines and the comprehensive gas control and utilization.

承担对国有重点煤矿安全技术改造和瓦斯综合治理与利用项目的审核工作。

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The sensor's data set will provide information on how carbon dioxide is emitted and absorbed, a key to measuring greenhouse gas.

传感器的数据集将提供关于二氧化碳如何散发和吸收的信息，这对测量二氧化碳、甲烷等导致温室效应的气体很关键。

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In fact, prices for natural gas have stormed higher by roughly 50% since August, collapsing the outlooks for many companies that rely on natural gas as key inputs.

FORBES: Surging Natural Gas Prices Takes Toll On Rentech

The Kremlin sees oil and gas as the key to its bid to becoming a major power, and it's consolidating state control over the industry.

NPR: Russia's Putin Makes Trip to Neighboring Ukraine

These firms often utilize natural gas as a key input for their processes, so when prices of this potent fuel are slumping, it is great news for their bottom lines.

FORBES: Surging Natural Gas Prices Takes Toll On Rentech