城市特别容易受到气候变化的侵害，因为有一种被称为城市热岛效应的现象。
Cities are particularly vulnerable to climate change because of a phenomenon known as the urban heat island effect.
因此当一所城市被森林环绕，其城市热岛效应会更明显。
The urban heat island effect is more pronounced when forest rings a city.
白色可以直接把光反射到空中，也通常是一种被用来对付城市热岛效应和全球变暖的屋顶颜色。
White is another roof colour used to fight both the urban heat island effect and global warming in general, by simply reflecting light back into space.
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