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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There, in a process called denitrification, microbes convert the nitrogen into nitrous oxide (also called laughing gas) and an inert gas called dinitrogen.

在那里，经称为脱氮的过程，微生物把氮转化为一氧化二氮(又称笑气)和一种称为二氮的惰性气体。

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OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.

周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。

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AstraZeneca has doped its version of a COX-2 inhibitor with nitrous oxide--laughing gas--to soften the gastrointestinal blow.

FORBES: Magazine Article

The Advisory Council on the Misuse of Drugs is also calling for greater public awareness of the dangers of laughing gas - nitrous oxide - and helium.

BBC: Annihilation legal high 'should be banned'

Though nitrous oxide, also known as "laughing gas" or "nos, " has long been a rave phenomenon, it has recently grown into more mainstream use, propelled by the ease of social media to reach young people and spread the word.

NPR: Feds Raid 17 Calif. Businesses For Nitrous Oxide