Question: what is using plants to extract metals called
Answer: Phytoremediation / ˌfaɪtəʊrɪˌmiːdɪˈeɪʃən / ( from Ancient Greek φυτό ( phyto ) , meaning ' plant ' , and Latin remedium , meaning ' restoring balance ' ) refers to the technologies that use living plants to clean up soil , air , and water contaminated with hazardous contaminants .