This book presents important research advances in the study of water pollution, as well as marine pollution, river pollution, lake pollution, water purification, cruise ship pollution and the acidification of the earth's oceans. Topics discussed herein include wastewater treatment; removal of halogenated hydrocarbons from water; environmental biomonitoring; marine debris; petroleum pollution; envirometrics as a tool for lake pollution assessment; simulation of ecosystem degradation; and advanced technologies for water treatment.