The extinction of species is a normal occurrence in the background of ecosystems.

物种的灭绝在当今生态系统的大背景下已变成一种正常现象。

It's our use of land which, above all, is driving the sixth great extinction of species.

最重要的是，土地的开发正是让我们走向第六次物种大灭绝的主因。

Thumbing vaguely through it, he chanced on a chapter called “The Death of Birth”, about the extinction of species.

由于大致地翻看着这本书，他偶然发现了关于物种灭亡而称之为“出生的致死原因” 那一章。

War, terrorism, eco-destruction, the extinction of species, poison in our food chain, and climate change.

战争、恐怖主义、生态破坏、物种灭绝、食物链中的毒物和气候变化。

So, yes we are linked to extinction of species with the dodo, but we're also an example of what can be done to save our bird species.

所以，是的，我们与渡渡鸟等物种的灭绝有关，但我们也是拯救鸟类的一个例子。

And this is what we're seeing across overconsumption of fresh water, the sixth mass extinction of species, over-putrefying our freshwater systems with nitrogen and phosphorus, all of it undermining the stability of the planet.

这就是我们所看到的淡水过度消耗，第六次物种大规模灭绝，淡水系统中氮和磷的过度腐烂，所有这些都破坏了地球的稳定。