地球的力量 第4集 海洋(28):地球變暖

Back then, so much of it was being produced that itbegan to bubble out of the ocean and into theatmosphere.

在那個時候，因為二硫化氫含量太大 它就開始從海洋中冒出來進入了大氣層

So, now, almost every creature on the planet

現(xiàn)在，差不多地球上每種生物

was exposed to a gas asdeadly as cyanide.

都能接觸到像氰化物一樣的致命氣體

What began with a breakdown of the ocean conveyor

它就是由于大洋輸送帶失靈導(dǎo)致的

would end in the greatest mass extinction in Earth's history.

會引起地球歷史上最大規(guī)模的物種滅絕

And the death of more than 90% of all life on Earth.

地球上90%以上的生命將消失

In fact, we can count ourselves lucky

實際上，我們應(yīng)該覺得幸運

that conditions in the world's oceans have barely changed

自從人類在地球上行走

since human beings have walked on the planet.

世界海洋的狀況幾乎沒有發(fā)生過改變

Vet that may be changing.Today the oceans are facing a new threat,

直到現(xiàn)在 今天海洋面臨著新的威脅

as massive amounts of carbon dioxide are warming the planet

大量的二氧化碳使地球變暖

and even affecting our oceans.

甚至影響我們的海洋