Global warming is posing a threat to human survival.

全球人类生存正构成威胁。

At the moment, we're choosing a four-degree scenario.

目前，我们选择了4℃发展趋势。

As a new debate over multipliers flared, freshwater types stood their ground.

随着一场新关于乘数争论，淡水派坚守了它们阵地。

Researchers project that drought risk in California will only get worse as global temperatures rise.

研究人员认为，随着全球气候，加州旱灾风险将变得越来越大。

And that's a concern as the nation's bush fire season heats up.

澳大利亚丛林火灾季节令人十分担忧。

We're at 1.2 already and look at what 1.2 is doing for us.

我们已经达到了 1.2 摄氏度全球临界点，看看这 1.2 带来了哪些改变。

Water vapor is an excellent greenhouse gas, so Venus's heating accelerated.

水蒸气是一种绝佳室气体，所以金星就加速了。

But what if the contrails that contribute the most to warming could be eliminated?

但如果效应贡献最大凝结尾可以被消除，那会怎样？

Scientists say the unusually cold weather is linked to freak warm conditions in the Arctic.

科学家称这种异常寒冷天气与北极地区反常有关。

And as the oceans heat up, the great conveyor belt is slowing down.

随着海洋，大洋输送带流速也会变缓。

So where does the energy to heat their upper atmospheres come from?

那么，使上层大气能源从何而来？

The growing instability in Turkey is another headache for the alliance.

于同盟国来说，土耳其局势不断又成为了一个让他们头疼问题。

They are causing the Arctic to warm faster than anywhere else.

同样也是导致北极地区比任何地方都快根源。

Scientists have expressed alarm that rapidly heating oceans will add to global warming.

科学家发出警告，海洋迅速将加剧全球变暖。

And this is all going to be significantly challenged under a four-degree-type scenario.

而这些都将在4℃情景下面临极大挑战。

And, as the Arctic heats up, that range is expanding fast.

而且，随着北极，这个范围正在迅速扩大。

Mike Zandi does not think it's a sign of inflation's heating up.

分析家迈克·赞迪认为这并不是通货膨胀信号。

The death toll rises in the Middle East as fighting escalates between Israel and Hamas.

随着以色列和哈马斯集团战火持续，战争导致死亡人数也不断增加。

Winter is our fastest warming season.

冬季是最快季节。

With diplomatic ties warming, countries like Britain are eyeing economic opportunities, says former diplomat Mehrdad Khonsari.

前外交官迈赫达德·洪塞里称随着外交关系逐渐，像英国这样国家正在寻求更多经济机遇。