You remember Martin Anderson wrote a book on the federal bulldozer describing the effect of the urban development?

你记得马丁·安德森（Martin Anderson）在那本关于联邦推土机的书中，如何描述城市发展效应的吗？

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White said his team wanted to see whether living in greener urban areas had a lasting positive effect on people's sense of well-being or whether the effect also disappeared after a period of time.

怀特说，他的团队想知道生活在绿化较好的城市地区是否会对人们的幸福感产生持久的积极影响，还是说这种影响会在一段时间后就消失。

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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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They found that a city with only white rooftops could reduce the urban heat effect by thirty-three percent.

VOA: special.2010.03.02

They find the urban heating effect to be negative.

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In-car GPS developers have long had to wrestle with the urban canyon effect that blocks or bounces signals downtown: they often have to make best guesses for accuracy when they can't count on cellular or WiFi triangulation to pick up the slack, like a smartphone would.

ENGADGET: New in-car GPS tech uses motion sensors for accurate, autonomous city driving

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