Last year's losses in the tropics released 2.7 gigatons of carbon dioxide.

去年热带森林的损失释放了27亿吨二氧化碳。

About 37 gigatons of carbon dioxide from the atmosphere.

从大气中吸收大约 370 亿吨二氧化碳。

We could contribute to 5-10 gigatons annually of carbon dioxide removal in the future.

未来，我们每年可以减少5到10千兆吨的二氧化碳排放。

Now, one gigaton is only a part of the challenge, but it's quite big.

那么，1 个十亿吨只是挑战的一部分，但却是很大一部分。

One gigaton is equal to about 1 billion metric tons, the American space agency NASA notes.

美国航天局NASA指出，10亿吨大约相当于10亿吨。

When the boreal forest burns, it has the potential to release gigatons of carbon into the atmosphere.

当北方森林燃烧时，它有可能向大气中释放数十亿吨的碳。

We release 55 gigatons of greenhouse gases into the air every year.

我们每年向空气中排放 55 亿吨温室气体。

You know, if we are putting gigatons of seaweed into the deep ocean, we're affecting life down there.

如果我们放了几十亿吨的海藻到深海中，我们会影响那里的生命。

And that is measured at no less than gigatons.

这不低于十亿吨。

And that 90 gigatons reduced is a conservative figure.

减少的 90 吉吨是一个保守数字。