> the trees themselves becoming hazardous waste if they accumulate the wrong kinds of metals? That could be a feature The jargon to search for in this area is

> the trees themselves becoming hazardous waste if they accumulate the wrong kinds of metals? That could be a feature The jargon to search for in this area is "Bioremediation via Bioaccumulation" and yes it's an existing thing. Not usually with trees though. https://www.sciencedirect.com/science/article/pii/B9780323856577000134# https://www.sciencedirect.com/science/article/pii/B978032385...!