The Romans!!
www.newscientist.com/article/2205025-ancient-roman-air-pollution-caused-climate-change-in-europe/
Quite apart from the climate changing fires, they also polluted the air with heavy metals, especially lead. Not as dense as our lead petrol but they did it for 500 years.
phys.org/news/2019-05-roman-polluted-european-air-heavily.html
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unclepills, Wed 8 Sep 2021, 14:20,
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I liked the lead article, the carbon one is behind a paywall, which is a shame.
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Prufrock Lucifer, son of the morning!, Wed 8 Sep 2021, 16:49,
Reply)
worked for me. clear your cookies???? (frankly I have no advice. ..like turn it off and on again)
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unclepills, Wed 8 Sep 2021, 21:51,
Reply)
I suspect the site logs how many articles have been viewed.
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FeralCatMan Long ads need comments sections, Wed 8 Sep 2021, 22:35,
Reply)