Arctic sea ice has been shrinking for 46 straight years.

北极海冰连续46年缩小。

That Arctic sea ice is disappearing has been known for decades.

数十年前，人们已经认识到北极海冰正在消亡一事。

Arctic sea ice is melting far faster than climate models predict. Why?

北极海冰正在以比气候模型所预测的快得多的速度融化，为什么？

What they're after is a real-life Arctic sea monster, a Greenland shark.

他们的目标是一只真正的北极海怪格陵兰鲨鱼。

And our Arctic sea ice is declining by some reports about 10 percent a decade.

也因为我们的北极海冰正在减少，据报道，每十年北极海冰就减少约百分之十。

Those outcomes include the loss of nearly all coral reefs and most Arctic sea ice.

包括几乎所有的珊瑚礁和大部分北极海冰的消失。

Having fished in the Arctic seas, Ned Land was already familiar with the sight of icebergs.

尼德兰昏经在北冰洋海中打过鱼，对于这种冰山的：景象是熟悉的。

At the beginning of the melt season, Arctic sea ice was at its lowest level ever recorded.

融化期刚开始时，北极海冰达到了记录以来的最低水平。

MEDEA helped scientists discover all kinds of things, that the Arctic Sea became saltier as sea ice melted.

MEDEA 帮助科学家们发现了各种各样的事情，北冰洋随着海冰融化而变得更加咸。

Scientists say Arctic sea ice has shrunk to its lowest level since satellite records began more than 30 years ago.

科学家说，北极海冰已缩减到自30年前开始卫星记录以来的最低水平。

As climate change warms the Arctic, sea ice there is disappearing at record rates-sea ice that polar bears prefer to prowl.

气候变化使北极变暖，北极的海冰正在以创纪录的速度消失，而海冰正是北极熊偏爱的觅食地。

And those diseases may also be encroaching upon arctic marine mammals because (spotting a trend here? ) Arctic sea ice is melting.

这些疾病可能还会侵蚀北极海洋哺乳动物（发现趋势了吗），因为北极海冰正在融化。

This year, the summertime Arctic sea ice reached its lowest level for the month of July in 40 years of record keeping.

今年，北极夏季海冰面积达到40年来7月的最低水平。

We found microplastics in the Arctic Sea ice, at the most remote stretches of islands in the Pacific and in the deepest ocean trenches.

我们发现，我们发现，北冰洋冰层中的塑料微粒出现在了太平洋最遥远的岛上以及最深处的海沟中。

I asked Whalen, how the reduction in Arctic sea ice comes into play?

我问惠伦，北极海冰的减少是如何发挥作用的？

The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.

M：北极海冰在地球气候系统中占据中心位置， 并且其恶化速度比预期的要快。

The walrus is heavily dependent on Arctic sea ice, but with summer sea ice declining rapidly as the polar north warms, this tusk animal has an uncertain future.

海象严重依赖北极海冰，但随着北极变暖，夏季海冰迅速减少，这种长牙动物的未来充满不确定性。

This additional transport route could also explain the high amounts of microplastic that we've found in the Arctic sea ice and the deep sea in previous studies, she said.

" 这条额外的输送路线也可以解释早前研究在北极海冰和深海发现大量微塑料的原因。"

" For example, they find that Arctic sea ice are declining in many years, and they also found the increase in extreme weather like wildfires in the western U.S. "

“比如，他们发现多年来北极海冰不断减少，还发现像美国西部的野火等极端天气日益增多。”

The increasing temperatures have led to ice melting worldwide, especially the Arctic sea ice, which is home to animals like walruses and polar bears.

气温升高导致全球冰层融化， 尤其是北极海冰，那里是海象和北极熊等动物的家园。