We are now in an era when we have the biggest impact on Earth's natural systems.

我们正处于一个人类对地球的自然系统影响最大的时代。

Researchers believe that artificial lights at night may cause problems with flying insects' natural navigation systems.

研究人员认为，夜间的人造灯光可能会对飞虫的自然导航系统造成问题。

Fire is a prism through which we can see the future of humanity's relationship with natural systems.

火是一面棱镜，通过它我们可以看到未来人类与自然系统的关系。

She said some of those natural systems where the signal is strongest are in the arctic and in warmer oceans.

她说信号显示最强的一些自然系统包括北极和温暖海洋。

The paper points out that big cat ecology and predator prey interactions in tropical regions are typically studied in natural systems.

在自然体系中，科学家热衷于研究热带地区的大型猫科动物学和捕食者与被捕食者之间的相互作用。

Theoretically, the natural system that repairs cuts can cripple disease-causing genes.

从理论上讲，修复伤口的自然系统可以削弱致病基因。

And that means that it isn’t a natural system after all.

这意味着它毕竟不是一个自然系统。

So here, the natural system out of balance is now a cause.

所以在这里，自然系统失衡现在是一个原因。

And big farms can begin to mimic natural systems and improve soil health.

大农场可以开始模仿自然系统并改善土壤健康。

That was Dr Roger Francey talking about the natural system.

那是 Roger Francey 博士在谈论自然系统。

By understanding how natural systems work, we can use that knowledge to restore them.

通过了解自然系统如何运作，我们可以利用这些知识来恢复它们。

He says that the natural system is out of balance.

他说自然系统失衡了。

You have secondary issues, such as acidification that's going to damage coral reefs and natural systems.

你有次要问题，例如会破坏珊瑚礁和自然系统的酸化。

Listen for the main cause of the natural system being out of balance.

聆听自然系统失衡的主要原因。

The more detail you go into in natural systems such as climate, then the  more complex things become.

你对自然系统（如气候）了解的细节越多，事情就会变得越复杂。

In his natural system, though high-wrought and delicately refined, a sensibility to the delights of the palate was probably inherent.

在他的自然系统中，虽然高度锻造和精致精致，但对味觉愉悦的敏感性可能是与生俱来的。

In a natural system, a certain amount of recharge comes in and a certain amount of water naturally flows out through springs, streams, and lakes.

在一个自然的水体系中，会有一定量的补给水流进来，也会有一定量的水自然地流出进入泉水、溪流和湖泊。

After all, food has to be produced in a healthy, natural system, and we all need clean air to breathe and pure water to drink.

毕竟，食物得从健康的自然系统中生产，而且人类需要呼吸洁净的空气，需要饮用纯净的水。

And in the process we are fouling the planet with our wastes and threatening the natural systems on which humanity and all other species depend.

并且在这个过程中，我们一直在用各种废弃物污染这个星球，威胁着人类和所有其他物种所赖以生存的自然系统。

So the natural system has been put out of balance by people digging up and burning coal and oil.

因此，自然系统因人们挖掘和燃烧煤和石油而失去平衡。