资源环境科技发展态势分析平台

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By Michael Marshall

Say air pollution and we tend to think of car exhausts, large factories and open fires. But in Western cities, one of the biggest sources of air pollution is something else entirely: household items like your deodorant and shampoo.

A team including Brian McDonald and Jessica Gilman of the National Oceanic and Atmospheric Administration in Colorado examined data on air pollution from the US and Europe. Increasingly stringent regulations mean that pollution from cars and other vehicles has fallen. As a result, a larger proportion of …