5 ms·

https://www.earthisland.org/journal/index.php/articles/entry/microplastics-are-everywhere-even-the-swiss-alps/ https://www.earthisland.org/journal/index.php/art

• LargoLasskhyfv 2y ago
  On the surface. Not necessarily in the caverns, where it is 'mined'. OTOH thinking about the large trucks, tractors, and other machinery operating down there, there is probably contamination too, just by abrasion from the rubber tires, or beltways. Pick your poison :)