| http://www.w3.org/ns/prov#value | - Oct. 17, 2013 at 9:00 AM ETLONDON ??? What many commuters choking on smog have long suspected has finally been scientifically validated: air pollution causes lung cancer.The International Agency for Research on Cancer declared on Thursday that air pollution is a carcinogen, alongside known dangers such as asbestos, tobacco and ultraviolet radiation.
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