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Old January 30th 20, 12:55 PM posted to
Roland Perry Roland Perry is offline
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First recorded activity at LondonBanter: Aug 2003
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Default Dirty air killing 25x as many as car crashes

In message , at 10:23:21 on Thu, 30 Jan
2020, remarked:

Particulates would have been much worse then, but what about NOx?

Don't know. Are wood and coal fires hot enough to create it? I suspect coal
fires would have released a lot of SO2 though which arguably is worse.

Acid rain.
Roland Perry