Will the U.S. have a law limiting carbon dioxide?

美国会出台限制氧化碳排放的法律？

Even as we humans count on forests to soak up a good share of the carbon dioxide we produce, we are threatening their ability to do so.

即使我们指望森林吸收很大一部分人类生产的氧化碳，其吸收能力正在遭受人类的威胁。

It's made of carbon dioxide, water vapor and sulfur dioxide.

它由氧化碳、水蒸氧化硫构成。

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、羊都会排出甲烷体，它是排在氧化碳之后的大常见的温室效应体。

Several companies already make materials that strip carbon dioxide from the air.

多家公司已经制造出可从空中吸除氧化碳的。

Heating this chemical compound drives off carbon dioxide gas leaving calcium oxide.

加热这种化合物会驱除氧化碳体，留下氧化钙。

Rocks like plagioclase and olivine that contain calcium and magnesium naturally absorb carbon dioxide to become limestone or dolomite.

比如含有钙镁的斜长石橄榄石可以自然吸收氧化碳转变成石灰岩白云石。

Carbon dioxide and sulphuric acid clouds is what makes up my atmosphere, and for this, I am very proud.

氧化碳硫酸云是我大的组成成分，我为此非常骄傲。

That's where the liquid is depressurised and so it reverts to a gas. Then the oil and grease are separated out and sent to the waste system.

在那里，液体氧化碳会被减压，然后变成体。而那些油脂会被分离出来送到废物系统中去。

And when it is, it gives off emissions like carbon dioxide, sulfur dioxide, mercury, ash and particulates, all of which can pollute the environment.

当燃烧煤炭时就会产生氧化碳，氧化硫、汞、灰尘微粒，所有这些都会污染环境。

As the trees burn, they release carbon dioxide.

树木燃烧时释出氧化碳。

Best of all, it does not emit harmful carbon dioxide into the atmosphere.

最好的一点是，Kayoola不会向大释放有危害的氧化碳。

But it gets even better, as the oxygen of the air bubble runs out, new oxygen diffuses into the bubble from the water around, it while the carbon dioxide diffuses outwards into the water.

但不只如此，外膜中的氧用完时，新的氧从周围的水扩散到膜内，而氧化碳向外扩散到水中。

This innovative injects carbon dioxide into the concrete as it's being mixed.

这种创新技术可以在混合混凝土时向混凝土中注入氧化碳。

For instance, just carbon dioxide under that much pressure is actually heavier than water.

例如，在如此大的压力下，氧化碳实际上比水重。

Large fruit eaters such as this one spread the seeds of tropical hardwood trees in their dung, helping to build up forests, which absorb carbon dioxide from the atmosphere.

像这只猴子这样的大型食果动物通过粪便传播热带硬木树的种子，有助于森林的扩张，而森林能够从大中吸收氧化碳。

Creating the tiles takes a lot of energy and produces a lot of carbon dioxide.

生产瓦片需要消耗大量的能量并产生大量的氧化碳。

He believes 100 million tons of carbon dioxide can be reduced annually.

他相信每年能减少1亿吨氧化碳排放。

It's true that the actual construction of the house was harmful to the environment, mainly because they had to use massive amounts of concrete - one of the biggest sources of carbon dioxide in manufacturing.

房屋的建造确实会对环境造成危害，主要是因为他们不得不使用大量的混凝土，这是制造业中氧化碳最大的来源之一。

These include carbon dioxide, methane and nitrous oxide.

其中包括氧化碳、甲烷一氧化氮。