Air pollution causes cancer - WHO
Date published: 17th October 2013
It said air pollution had been know to cause heart and lung diseases, but evidence had now emerged that it was also causing cancer.
The IARC said the most recent data suggested 223,000 deaths from lung cancer around the world were caused by air pollution.
More than half of the deaths were thought to be in China and other East Asian countries. Rapid industrialisation has led to smoggy skies in cities such as Beijing.
However, it is a global problem and concerns about air pollution were raised in Europe again this week.
Data suggests there may also be a link with bladder cancer.
Dr Kurt Straif, from IARC, said: "The air we breathe has become polluted with a mixture of cancer-causing substances.
"We now know that outdoor air pollution is not only a major risk to health in general, but also a leading environmental cause of cancer deaths."
Cancer Research UK said it was not a surprise.
Dr Julie Sharp, the head of health information at the charity, said: "It's important that people keep the risk from air pollution in perspective.
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