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People literally used to dust soot off their garden plants -- you can see this mentioned in some books. It was not uncommon for visibility in London to be extr
by gshdg 7y ago
People literally used to dust soot off their garden plants -- you can see this mentioned in some books. It was not uncommon for visibility in London to be extremely poor due to soot[0]. In fact, this peaked in the 1950's due to the combination of coal burning with automobile emissions[1].
[0] https://en.wikipedia.org/wiki/Pea_soup_fog https://en.wikipedia.org/wiki/Pea_soup_fog
[1] https://en.wikipedia.org/wiki/Great_Smog_of_London https://en.wikipedia.org/wiki/Great_Smog_of_London
- contingencies 7y agoPeople literally used to dust soot off their garden plants We do this in China. Other significant western plant hunters who were active in China: https://en.wikipedia.org/wiki/Joseph_Rock https://en.wikipedia.org/wiki/Joseph_Rock https://en.wikipedia.org/wiki/George_Forrest_(botanist) https://en.wikipedia.org/wiki/George_Forrest_(botanist) Many were active in China's southwestern region of Yunnan, the origin of tea and camellias.
- hammock 7y agoNow that I think about it, I wiped black road dust from brakes/tires off the windowsills of my drafty street-level SF (Oak Street) apartment every week too. One of the reasons I moved. It doesn't take much.