Cities are particularly vulnerable to climate change because of a phenomenon known as the urban heat island effect.

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。

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The urban heat island effect is more pronounced when forest rings a city.

因此当一所城市被森林环绕，其城市热岛效应会更明显。

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The other is the additional warming seen in built-up areas, known as the “urban heat-island effect”.

另一个影响因素是建筑物林立地区对此造成额外升温，这被称为“城市热岛效应”。

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When these stations observe a temperature rise, they are simply measuring the "urban heat island effect".

BBC: NEWS | Special Reports | 629 | 629 | Climate scepticism: The top 10

If the urban heat island effect were large, you would expect to see a bigger trend for calm days when more of the heat stays in the city.

BBC: NEWS | Special Reports | 629 | 629 | Climate scepticism: The top 10

All this concrete ends up lining streams and waterfalls, but it also has contributed to the "heat island" effect in Tokyo.

NPR: Public Works Endanger Japan's Environment