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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And a new study shows that biochar could have an impact on agriculture's other greenhouse gas emission: nitrous oxide, or laughing gas, which is no laughing matter when it comes to climate change.

一项最新研究表明生物炭对诸如一氧化二氮、笑气之类由农业生产造成的温室气体排放可能会产生影响，这些气体的排放对气候变化来说可不是什么好事。

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Will China at a certain point in the future accept the greenhouse gas emission target jointly set by the international community?

中国将来会不会愿意接受国际社会共同确定的温室气体排放目标？

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But for the CDM to provide that link, countries will have to reduce their greenhouse-gas emission targets drastically, thus providing a boost to demand.

ECONOMIST: Carbon markets

At the annual meeting of the Carbon Disclosure Project--a non-profit investor organization devoted to greater transparency in greenhouse gas emission statistics--Sun released a set of open-source software tools that companies can use to track carbon emissions.

FORBES: Magazine Article

Cellulosic ethanol uses non-food feed stocks with significant greenhouse gas emission reductions, and the first commercial-scale plant is being built today in Soperton, Ga.

FORBES: Khosla Speaks