每年在世界上 大概有南卡羅來納州那么大片的森林被破壞
So not only are we increasing the levels of greenhouse gases in the atmosphere,
所以我們不但在 增長大氣層中的溫室氣體
we're also reducing the ability of the planet to deal with the problem.
我們還在降低地球 處理這個問題的能力
You only have to go back to Mexico,
你只需要回頭看看墨西哥
the place where the meteorite that wiped out the dinosaurs landed,
在那里隕石消滅了恐龍
to see our influence on the planet from a very different perspective.
換個角度看我們對地球的影響
Just inland from the ocean, here in Mexico's Yucatan Peninsula,
在離海洋不遠(yuǎn)的內(nèi)陸在墨西哥的尤卡坦半島
the jungle stretches unbroken for hundreds of miles.
這片叢林連綿幾百英里
But every now and then,you stumble upon a strange mound of stones like this.
但是偶爾你會被n這樣一堆石頭絆倒
Some of them are enormous, the pyramids of a lost civilisation.
有些很大,一個遺失文明的金字塔