For a start, all animals, such as cows, pigs and sheep, always gas limed methane, which is the second most common green house gas after carbon dioxide.

首先，所有动物如牛、猪、羊都会排出气体，它是排在二氧化碳之后第二大常见温室效应气体。

And it also discovered traces of methane.

是，火星地表有有机物。

Most of it will make it's way to landfills, where it eventually rots emitting methane.

大部分会被送到垃圾填埋场，最终腐烂释放出。

These include carbon dioxide, methane and nitrous oxide.

其包括二氧化碳、和一氧化二氮。

Methane gas somehow accumulates in the permafrost of Siberia.

气体以某种方式积聚在西伯利亚永久冻土层。

And in 2018, NASA's Curiosity rover found organic matter like methane in rocks.

2018年，美国宇航局好奇号探测器在岩石发现了等有机物。

It's currently using this same technology to find methane leaks in oil fields and scan crops in Africa to identify potential food shortages.

目前，该公司正在使用同样技术来发现油田泄漏，并扫描非洲农作物以确定潜在粮食短缺。

They believe there's methane gas around Pluto that's more concentrated at its higher altitudes and that's where it forms froth on the dwarf planet's mountain tops without the need for wind or precipitation.

科学家们相信冥王星周围气体更集在它高海拔地区，在那里不需要风或降水，在矮行星山顶就能形成冰霜。

Methane is a greenhouse gas, at least twenty times deadlier than carbon dioxide.

是温室气体，至少比二氧化碳致命20倍。

Most of it ends up in landfills where it releases massive amounts of methane.

其大部分食物被直接填埋，释放出大量。

For example, take methanogens, the microbes that make methane.

比如产生物，一种制造微生物。

Microbes living in oxygen-poor livestock dung produce methane, a potent greenhouse gas.

一些微生物生活在氧含量低牲畜粪便，它们产生，一种主要温室气体。

Or it might rot in a landfill, releasing methane, a potent greenhouse gas.

或者圣诞树可能会在垃圾填埋场腐烂，释放强大温室气体——。

Methane from both sources will mix eventually into the atmosphere.

两种来源最终将混入大气。

In a chemistry sense, liquid methane acts like the simplest possible oil.

在化学意义上，液态和最简单石油性质一样。

From there, we were able to create methane stoves.

连通之后，我们用上了沼气炉。”

Methane, a gas, behaves as a liquid on Titan because the planet is extremely cold.

是一种气体，但在土卫六上呈现为液体状态，因为这颗星球极为寒冷。

But those methane emissions might get cut—by feeding the grazers something called 3-nitro oxypropanol.

但在这些食草动物被喂食名为3-nitrooxypropanol抗嗝化合物后，排放量正在减少。

But we've also shown that methane is an important gas to reduce.

同时我们也已表明，也是需要大幅降排一种气体。

As the submerged vegetation decays, it releases methane or CO2.

水下植被腐烂后，会释放出或二氧化碳。