Foreman says melting ice endangers polar bears on down to plankton and algae.

福尔曼说，融化的冰危及北极熊的浮游生物和藻类。

It becomes a breakdown process where everything ends up accelerating until it's all gone.

这就形成了冰的融化过程，所有的步骤都加速了，直到所有的冰都融化。

At the same time though, ice is also lost through melting.

与此同时，冰也会因融化而消失。

For them, melting ice doesn't mean polar bears floating away.

们来说，融化的冰并不意味着北极熊在远。

Q 9. What measures should be taken to slow down ice melting?

应该采取哪来减缓冰融化？

But if you expect melted ice to reassemble you're expecting entropy to fall.

但如果你期待融化的冰重新冻回去，你就是在期待熵减少。

Oh, the ice has melted and now it is just a lot of slush.

哦，冰融化了，现在已经成了雪泥。

Their icy lands seem to be melting.

它们陆地上的冰似乎正在融化。

If you warm ice it will melt into water.

如果你把冰加热，它会融化成水。

Ridges make ice thicker, and thicker ice melts more slowly.

冰脊让冰层变得更薄，更厚的冰融化得更慢。

By late July 2012, about 250 billion tons of ice had melted.

到2012年7月底，约2500亿吨冰已经融化。

During these months, billions of tons of ice melts and flows into the Atlantic.

短短数月里，数十亿吨的冰融化并流入大西洋。

But wait, Matt, doesn't salt melt ice?

可是等一下，盐不会让冰融化吗？

And here's what would happen if all the world's ice melted.

我们来看看，如果全世界的冰都融化会发生什么事。

All that melted ice would release carbon dioxide into the air.

所有融化的冰都会释放二氧化碳进入大气。

And when all of this ice is gone, the world won't be the same.

当北极所有的冰都融化掉，世界将会变得不一样。

There's more than one way to melt ice.

融化冰的方法不止一种。

You see, as we heat the world, we melt ice.

你看，当我们让世界变得更热时，我们融化冰。

It does less damage to plants and melts ice faster than salt.

它植物的伤害较小，而且比盐融化冰的速度更快。

She says scientists have never before seen Antarctic ice melting so quickly.

她说，科学家们以前从未见过南极冰融化得如此之快。