The Brownfield Solution: Metal-Eating Plants

"Phytoremediation -- the use of plants to absorb or break down contaminants -- has been used over the past decade with varying success. Genetic engineering offers the potential to ramp up the slow-growing phytoremediation industry with a new generation of toxin-cleaning super plants... In conditions that would kill other plants, the genetically modified mustard thrived, doing nearly as well as the non-modified control plants in normal soil, Terry said."