philz@lemmy.world to pics@lemmy.worldEnglish · edit-21 天前The Arctic ocean photographed in the same place, 107 years ago vs today.lemmy.worldimagemessage-square108fedilinkarrow-up11.09Karrow-down111file-text
arrow-up11.08Karrow-down1imageThe Arctic ocean photographed in the same place, 107 years ago vs today.lemmy.worldphilz@lemmy.world to pics@lemmy.worldEnglish · edit-21 天前message-square108fedilinkfile-text
minus-squareSam_Bass@lemmy.worldlinkfedilinkarrow-up4arrow-down3·2 小时前go read a historybook on the industrial revolution
minus-squareOsrsNeedsF2Plinkfedilinkarrow-up9·edit-22 小时前That would make the air… less clean now? Edit: looks like PM2.5 and PM10 levels were 10-100x more around a hundred years ago. Seems like air quality is in fact better now.
Elaborate?
go read a historybook on the industrial revolution
That would make the air… less clean now?
Edit: looks like PM2.5 and PM10 levels were 10-100x more around a hundred years ago. Seems like air quality is in fact better now.