The effects of air pollution are worst in the developing world, where in some places lost-labor income equals nearly 1% of GDP.

发展中国家受空气污染影响最为严重，在一些地区，劳动力收入损失几乎相当于国内生产总值的1%。

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Sports officials from Japan, Australia and the us have expressed concern about the effects of air pollution on athletes.

日本、澳大利亚和美国的体育官员表示，对于空气污染对运动员的影响感到担忧。

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This will increase the number of people at risk of adverse health effects from indoor air pollution.

这会使面临室内空气污染导致的不良健康影响的危险人数出现上升。

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Janice Nolen, national policy adviser at the American Lung Association, says that rather than dealing with the harmful effects of air pollution, the focus should be on tackling the problem at source.

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The Department of Environment, Food and Rural Affairs said even though air quality in the UK is "generally good, more needs to be done, especially in the cities, to reduce the harmful effects of air pollution".

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We can and should control surface pollution as that effects air quality yet there is a huge difference between controlling air quality as that remains constant in cold or warm environments while temperatures constantly fluctuate from day to night, month to month and year to year, in the Western isles of Europe we are having a particularly cool and wet summer.

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