With more than a decade of research behind them, technology developers are getting plants into the field to clean up metal-contaminated soil. Myrna Watanabe reports on these new companies and continuing efforts to find or breed 'hyperaccumulators'.
Watanabe, M. E. (1997, April). Phytoremediation on the brink of commercialization. Environmental Science and Technology. https://doi.org/10.1021/es972219s