When we burn fossil fuels, we are releasing carbon back into the air.

化石燃料燃烧时，碳会被排放回空气中。

Some new companies are also finding a way to inject stored carbon back into cement and concrete during production.

一些新公司也在寻找一种在生产过程中将储存的碳注入水泥和混凝土的方法。

Over the next three years field studies showed that uprooted plants were releasing their carbon back into the atmosphere.

实地研究表明，接下来的三年里被连根拔起的植物正在向大气中释放碳。

Organisms can draw power by feeding on organic carbon compounds and then oxidizing the reduced carbon back to carbon dioxide.

生物体可以通过以有机碳化合物为食，然后将还原的碳氧化回二氧化碳来获取能量。

Effectively, we take part of what we've extracted from the earth -- the carbon -- back to where it came from.

实际上，我们将从地球中提取的部分——碳——带回它的来源。

This not only reduces the carbon storage capacity of forests but also releases large amounts of stored carbon back into the atmosphere.

这不仅降低了森林的碳储存能力，而且还将大量储存的碳释放回大气中。

And so, not only do we make the grass a lot healthier but we're also helping bring carbon back into the soil, which has been greatly depleted.

因此，我们不仅让草变得更健康，而且还帮助将碳重新带入土壤，而土壤已经严重枯竭。

And that new money was to be given to anyone who drew carbon back out of the air or demonstrably and over the long term refrained from burning it in the first place.

这笔新资金将提供给任何从空气中回收碳的人群，以及始终如一地节制排碳的人群。