They give us something to aim for, in this case reducing air pollution.

它们给了我们一些目标，在这种情况下就是减少空气污染。

This winter, the city has nuclear-based heating, considerably reducing air pollution compared to coal-fired plants.

今年冬天城市采用核能供暖，大量减少了燃煤取暖造成的空气污染。

And it turns out the key to reducing air pollution isn't how many electric cars there are.

然而减少空气污染的这个重任并不与投放了多少电动车有重要联系。

Reducing air pollution is really important.

缓解空气污染真的很重要。

All these innovators say the world will benefit from breakthrough batteries for reducing air pollution and greenhouse gas.

所有这些创新者都表示，世界将受益于减少空气污染和温室气体的突破性电池技术。

And flying less can also help reduce air pollution.

少坐飞机也有助于减少空气污染。

The IMO's stated goal is to reduce air pollution.

国际海事组织（IMO）的既定目标是降低空气污染。

The goal is to reduce air pollution and chronic heavy traffic.

目标是减少空气污染和长期交通拥堵。

Policy makers hope this will encourage public transportation use and reduce air pollution.

政策制定者希望这项措施能鼓励民众使用公共交通出行，继而减少空气污染。

Depending on the answers, electric vehicles and hybrids might not reduce air pollution at all.

上述问题的答案是关键，电动车和混合动力车也许根本就不能对减少空气污染起到重要作用。

The High Court ruled an expansion of the London's Ultra Low Emission Zone aimed at reducing air pollution can go ahead.

英国高等法院裁定，可以继续扩大旨在减少空气污染的伦敦超低排放区的范围。

The city's mayor, Lauren Meister, says the system is easy to use, and reduces air pollution.

该市市长劳伦表示，该系统使用便捷，减轻污染。

He and his team found that breathing polluted air can reduce a person's education level by about one year.

他和团队发现，吸入污染空气会导致人们的教育水平降低一年。

We mentioned earlier, that cooling the air reduces its ability to hold water, and triggers the formation of water droplets.

我们之前说过，给空气降温会减少空气中的水蒸气含量，从而形成水滴。

It was seen as a way to save space, reduce air miles and transform old and abandoned buildings, like warehouses.

它被视为节省空间、减少飞行里程、改造仓库等旧建筑和废弃建筑的一种方式。

Many people as you're about to see are calling on the Indian government to take more action to reduce air pollution.

正如接下来你即将看到的，许多人呼吁印度政府采取行动减少空气污染。

Trees reduce air temperature through blocking sunlight and creating shade.

树木通过阻挡阳光和创造阴影来降低空气温度。

And that is designed by a lady in Kenya who came up with a concept to reduce air pollution and health pollution.

这是由肯尼亚的一位女士设计的，她提出了减少空气污染和健康污染的概念。

Penguins also have reduced air spaces in the skeleton and the ability to store more oxygen in their muscles for long dives.

企鹅骨骼中的空气空间也减少了，并有能力在肌肉中储存更多的氧气以备长时间潜水。

The report says polar bears face a difficult future unless countries reduce air pollution.

报告称，除非各国减少空气污染， 否则北极熊将面临艰难的未来。