How a South African town cleaned up its polluted river using stones, wood and sand
https://www.theguardian.com/global-development/2026/aug/31/south-africa-river-pollution-water-treatment-food-security-climate
117 points · 2 comments · view on lemmy.world
2 Comments
SharkAttak@kbin.melroy.org · 8 pts · 2d
It's easy, you bury the polluters in sand, then use the stones and wood on them.
MangoCats@feddit.it · 2 pts · 2d
Biochar is good stuff, if you've got a renewable supply.
AdminBot@programming.dev · 1 pts · 2d