Near the end of an era called the carboniferous, earth started to cool.

在炭纪时代末期，地球开始降温。

In Carboniferous forests dragonflies grew as big as ravens.

在炭纪的森林里，蜻蜓长到大得像乌鸦。

And even further, there hasn't been any glacial activity here since the carboniferous ended nearly 300 million years ago.

此， 3 亿年前炭纪结束以来，这里就没有出现过任何冰川活动。

The long-ago seas of the Carboniferous and Devonian swarmed with tiny plankton that wrapped themselves inside tiny protective shells.

泥盆纪和炭纪的古代海洋里生活着大批微小的浮游生物。它们躲在小小的保护性壳里。

It’s known today as the Carboniferous Rainforest Collapse.

它今天被称为炭纪雨林 崩塌。

Insects had evolved flight at least as far back as the Carboniferous Period.

昆虫至少早在炭纪就已经进化出飞行能力。

And they're partly why we call the Carboniferous ... the Carboniferous!

它们是我们称炭纪… … 炭纪的部分原因！

By the Carboniferous era, half the insects on earth were roaches!

到了炭纪, 地球的昆虫都是蟑螂!

359 Million Years Ago in the Carboniferous forests and lush marshlands are at their peak.

3.59 亿年前，炭纪森林和茂密的沼泽地正处于鼎盛时期。

Iberospondylus, for example, was a Carboniferous genus that thrived in coastal environments in what's now Spain.

例如，Iberospondylus 是炭纪的个属，在现在西班牙的沿海环境中繁衍生息。

They thrived during the Carboniferous Period, from 299 million to 359 million years ago.

它们在距今 2.99 亿至 3.59 亿年前的炭纪时期繁衍生息。

All that oxygen was also a plus for the arthropods, which got HUGE in the Carboniferous.

所有这些氧气对节肢动物来说也是个加分项， 它们在炭纪获得了巨大的收益。

Some people call the Carboniferous the Age of Coal, but around here it's known as the Age of Roaches.

有些人称炭纪为煤时代，但在这里它被称为蟑螂时代。

A big trackway discovered in Carboniferous rock in Scotland has been attributed to Hibbertopterus.

在苏格兰炭纪岩中发现的条大轨道被归因于 Hibbertopterus。

New research is providing a deeper understanding of Whatcheeria, which lived around 330 million years ago during a time known as the Carboniferous period.

新的研究让人们对瓦切螈有了更深入的了解，它生活在大约3。3亿年前被称为炭纪的时期。

The resulting extinction became known as the Carboniferous Rainforest Collapse, and the scale trees were among its casualties.

由此导致的灭绝被称为炭纪雨林崩塌，鳞片树也是其中之。

But back in the Carboniferous, it was nearly 35 percent!

但是回到炭纪，这个比例接 35%！

Around 50 million years later, the reptiles that emerged during the Carboniferous Period were still terrestrial carnivores.

大约5000万年后，炭纪出现的爬行动物仍是陆生食肉动物。

Now, as the Carboniferous Period gave way to the Permian, the climate became more volatile, and glacial activity increased at the poles.

现在，随着炭纪让位给二叠纪，气候变得更加不稳定， 两极的冰川活动也增加了。

That's because the Carboniferous was a time of incredible, runaway plant growth.

那是因为炭纪是个令人难以置信的、失控的植物生长时期。