BBC NEWS | Americas | California tobacco smoke 'toxic'

California has become the first US state to classify second-hand tobacco smoke as a toxic air pollutant. The decision by the California Air Resources Board puts drifting smoke in the same category as diesel exhaust, and could lead to tougher regulation. The agency said many scientific studies had linked passive smoking to a range of cancers and respiratory diseases. California pioneered smoking ba

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カリフォルニア。アメリカはもう、わけがわからん。