Stand by, America, it's about to get a whole lot worse
23 May 2014

By TIM RADFORD.- Poor air quality and health problems will become the summertime norm throughout the US as scientists predict a 70 per cent rise in ground-level ozone − unless action is taken to cut emissions.
Stand by for long, hot North American summers of smarting eyes, tickling throats, asthma, bronchitis and emphysema. And crops could also suffer, because ground-level ozone pollution is likely to increase.
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