This book includes eight chapters about phytoremediation, which is the use of plants for the cost-effective, environmentally friendly rehabilitation of soil and groundwater contaminated by toxic metals and organic compounds. Chapter One describes which plant species are most effective for use in phytoremediation. Chapter Two details how changes in the quality of light impact plant health, which in turn impacts the efficacy of phytoremediation. Chapter Three presents data related to the anatomical characteristics, popular use, chemical composition, and forms of growth of Pistia stratiotes, a...