And today, we are in a situation where we estimate that we've transgressed three boundaries, the rate of biodiversity loss, which is the sixth extinction period in the history of humanity -- one of them being the extinctions of the dinosaurs -- nitrogen and climate change.
今天，我们的处境是我们估计 我们已经越过三个界限， 物种多样性的降低率， 这是在人类历史上的第六个灭绝时期-- 其中的一个是恐龙灭绝-- 氮气和气候变化。