[mccoyspace]

There was a story about this in Motherboard just the other day. Tl,dr— Metals and drugs are a big problem *edit: spelling https://motherboard.vice.com/en_us/article/8q8xnk/turns-out-...

[fencepost]

See also http://www.slate.com/articles/news_and_politics/roads/2016/0...

[abakker]

It is worth noting that not all crops absorb toxic metals in the soil, and some crops/plants sequester certain metals extremely well - (Kale/Thorium, Garlic/Selenium). Possibly we could use certain crops to ameliorate certain metal toxins.

[haZard_OS]

We already do. It's called phytoremediation. Some of us even make a pretty decent living specializing in the field.