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二氧化碳，其吸收在遭受人类的威胁。

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

它由二氧化碳、水蒸气和二氧化硫构成。

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

比如含有钙和镁的斜长石和橄榄石可以自然吸收二氧化碳转变成石灰岩和白云石。

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，所有动如牛、猪、羊都排甲烷气体，它是排在二氧化碳之后的第二大常见的温室效应气体。

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

多家公司已经制造可从空气中吸除二氧化碳的材料。

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

美国台限制二氧化碳排放的法律？

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

加热这种化驱除二氧化碳气体，留下氧化钙。

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

二氧化碳和硫酸云是我大气的组成成分，我为此非常骄傲。

They have chloroplasts, that combine carbon dioxide and water, with light energy from the sun, to create oxygen and sugar, a form of chemical energy.

植细胞有叶绿体，可以结二氧化碳和水，只要有来自太阳的量，就可以制造氧和糖，这属于化学量。

Atmospheric carbon dioxide is absorbed by the vegetation that carpets the land.

遍布大地的植被吸收了大气中的二氧化碳。

As the trees burn, they release carbon dioxide.

树木燃烧时释二氧化碳。

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

最好的一点是，Kayoola不向大气释放有危害的二氧化碳。

Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide.

很多环境专家现在都认为甲烷在全球变暖方面要负的责任比二氧化碳还要大。

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，外膜中的氧气用完时，新的氧气从周围的水扩散到膜内，而二氧化碳向外扩散到水中。

Carbon dioxide from burning fossil fuels and clearing forests, among other human activities, is to blame.

产生气候变化的罪魁祸首是化石燃料的燃烧，以及树木的砍伐等人类活动。

Fertilizing similarly nutrient poor waters might help reduce rising levels of carbon dioxide that are causing uncomfortable global warming.

类似的，施肥少的水域可有助于减少一直在不断上涨的二氧化碳浓度，而这种质过多我们感觉不舒服，引发全球变暖。

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

这种创新技术可以在混混凝土时向混凝土中注入二氧化碳。

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，而森林够从大气中吸收二氧化碳。

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

例如，在如此大的压下，二氧化碳实际上比水重。

During its journey from the surface, the water absorbed carbon dioxide from the soil, making it mildly acidic.

在地面上流淌时，水从土壤中吸收了二氧化碳，成为弱酸性。