The greenhouse effect leads to global warming.

温室效应导全球变暖。

The air grew warm, flowers bloomed, and birds swooped from tree to tree.

天气变暖，鲜花盛开，鸟儿在树上飞来飞去。

Mr. Trump has previously dismissed global warming as a hoax.

特朗普此前曾驳斥全球变暖为一个骗局。

And the plankton, too, are flourishing thanks to global warming.

而且，由于全球变暖也让这些浮游生物大量繁殖。

But we're on course for about four degrees.

但是全球变暖正接近于大约4摄氏度。

Now, as then, they will assert that reining in global warming is a political priority.

就像当时一样，他们如今也一认为控制全球变暖是政治的头等大事。

Many air pollutants also cause global warming.

许多空气污染物也会导全球变暖。

Our planet is warming with devastating consequences—and there are some who deny it’s even happening.

我们的地球正在变暖，这将导毁灭性的后果，但是却有人否认这一现实。

In addition, geothermal heat from deep within the earth may warm the hidden lake.

此外，来自地球深处的地热也可能会让这个隐藏的湖变暖。

So global warming could have a crucial effect on turtle populations.

因此全球变暖对海龟数量有着关键影响。

After it leaves China and the high altitude, the Mekong becomes wide, brown and warm.

当流出中国，流出高地后，湄公河就变宽，变暖了。

El Nino is an unusual warming in the equatorial eastern Pacific.

厄尔尼诺是赤道东部太平洋不寻常的变暖现象。

To stand up to climate change, we must work together.

因此，为应对气候变暖， 我们必须共同努力。

Then consider big upheavals like global warming.

那么再细想像全球变暖这一类的骤变。

Nor do they include already locked in warming hidden by air pollution.

它们也不包括被空气污染所掩盖的气候变暖。

This hot spell has been part of a wider trend. Scientists say this proves global warming is accelerating apace.

这次高温是更大趋势的一部分，科学家说这表明全球气温变暖在加速。

But what they didn't take into account was global warming.

但是他们没有将全球气候变暖考虑进去。

As atmosphere warms, the ability to hold moisture increases exponentially.

随着气候变暖，保持水分的能力呈指数增长。

That could be the end of world hunger despite global warming.

尽管全球变暖，但这可能终结世界饥饿。

As the climate heated up, the forests receded, and humans ventured out into the savanna.

随着气候变暖，森林退化，人类铤而走险，进入热带草原。