Exposure is getting worse in parts of the world, especially industrializing countries.
In 2010, some 223,000 people around the world died from lung cancer caused by exposure to air pollution, the World Health Organization said yesterday. And more than half of those deaths are believed to have been in China and elsewhere in East Asia. Here are the world’s worst cities for air pollution, according to the WHO.
Exposure to air pollution is getting worse in parts of the world, especially industrializing countries, according to the WHO. The WHO’s key announcement yesterday was that it has included outdoor air pollution on its definitive list of the world’s known carcinogens—an addition that, it hopes, will get governments to do something about it. Air pollution is the world’s worst environmental carcinogen and more dangerous than second-hand smoke, for instance, the health body said.
Why so bad? In Ahwaz, Iranian meteorology officials have blamed the US for the spike, claiming the presence of US forces in Iraq during the Iran-Iraq war of the 1980s destroyed agriculture and caused desertification. But researchers cite heavy industry in and around the city, like oil, metal and petrochemical processing, and blame the desertification on the draining of marshes and a national project that has diverted local water away from the city
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