Smoke pollution has been a problem in Pekanbaru, a city on the island of Sumatra.

在苏门答腊岛上的城市北干巴鲁，浓烟污染成为严重的问题。

The report says these wildfires will cause an increase in smoke pollution and other problems that world governments are not prepared for.

该报告称，这些野火将会导致烟雾污染和其他世界各国政府没有准备好应对的问题的增加。

They don't do that very much anymore; it's not safe and it also causes a certain amount of smoke pollution.

他们不再那么做了；不安全， 还会造成一定的烟气污染。

I think we can conclude pretty confidently that this is a dangerous, hazardous component of smoke pollution that affects a lot of different animals.

我想我们可以很有把握地得出结论：这是烟雾污染中危险、有害的成分，会影响很多种动物。

I think we can conclude pretty confidently that this is a dangerous, hazardous component of smoke pollution that affects a lot of different animals.

Erb：我认为我们可以非常自信地得出结论，这是烟雾污染中危险的，有害的成分，会影响许多不同的动物。