There are already several ways to do this sort of bioremediation using mushrooms as bio-sponges (Eg for heavy metals). There’s the question of where to safely s

There are already several ways to do this sort of bioremediation using mushrooms as bio-sponges (Eg for heavy metals). There’s the question of where to safely store those mushroom after the heavy metal is absorbed. Important tangent, mushroom’s ability to absorb elements of its environment is a strong case for eating only organic mushrooms from known sources. Heavy metals like lead and mercury have been found in edible mushrooms from questionable sources.