Introduction Naser A. Anjum, Iqbal Ahmad, Armando C. Duarte, Shahid Umar, Nafees A. Khan, and Eduarda Pereira Contaminants, Contaminated Sites and Remediation Heavy Metals in the Environment: Current Status, Phytotoxicity and Phytoremediation Mirza Hasanuzzaman, and Masayuki Fujita Phytotechnology - Remediation of Inorganic Contaminants F.A. Aisien, I.O. Oboh, and E.T. Aisien Potential of Constructed Wetland Phytotechnology for Tannery Wastewater Treatment Cristina S.C. Calheiros, Antonio O.S.S. Rangel, and Paula M.L. Castro Phytoremediation of Petroleum Hydrocarbon Contaminated Soils in Venezuela Infante Carmen, Ismael Hernandez-Valencia, Liliana Lopez, and Marcia Toro Fate and Transport Issues Associated with Contaminants and Contaminant By-Products in Phytotechnology Chris O. Nwoko Genus Brassica and Contaminants' Remediation Metals and Metalloids Accumulation Variability in Brassica species -- A Review Naser A. Anjum, Sarvajeet S. Gill, Iqbal Ahmad, Armando C. Duarte, Shahid Umar, Nafees A. Khan, and Eduarda Pereira Oilseed Brassica napus and Phytoremediation of Lead M. Yasin Ashraf, N. Azhar, K. Mahmood, Rashid Ahmad, and Ejaz Ahmad Waraich Potential for Metal Phytoextraction of Brassica Oilseed Species Guido Fellet, Luca Marchiol, and Giuseppe Zerbi Phytoremediation Capacity of Brown- and Yellow-Seeded Brassica carinata Xiang Li, Margaret Y. Gruber, Kevin Falk, and Neil Westcott Phytoremediation of Toxic Metals and the Involvement of Brassica Species Aryadeep Roychoudhury, Sreeparna Pradhan, Bodhisatwa Chaudhuri, and Kaushik Das Phytoremediation of Heavy Metals-, Metalloids- and Radioactive Materials-Contaminated Soils Using Vetiver Grass, Chrysopogon zizanioides Luu Thai Danh, Paul Truong, Raffaella Mammucari, Yuan Pu, and Neil R. Foster Enhancing Contaminants' Remediation Effects of Biotic and Abiotic Amendments on Phytoremediation Efficiency Applied to Metal-Polluted Soils Erik J. Joner Phytoremediation: Strategies to Enhance the Potential for Toxic Metal Remediation of Brassica Oilseed Species Mary Varkey, Nand Lal, and Z.H. Khan Enhanced Phytoextraction Using Brassica Oilseeds: Role of Chelates Zhao Zhongqiu, and Liu Xiaona Organic Acid Assisted Phytoremediation in Salt Marshes: From Hydroponics to Field Mesocosmos Trials M. Cacador, B. Duarte, and J. Freitas Plant-Microbe Enabled Contaminant Removal in the Rhizosphere L.M. Stout, and K. Nusslein Brassica Oilseeds-Microbe Interactions and Toxic Metal Remediation Lixiang Cao Plant Growth-Promoting Bacteria and Metals Phytoremediation Elisa Gamalero, and Bernard R. Glick Plant Growth Regulators and Improvements in Phytoremediation Process Efficiency: Studies on Metal Contaminated Soils Meri Barbafieri, Jose R. Peralta-Videa, Francesca Pedron, and Jorge L. Gardea-Torresdey Remediation of Sites Contaminated with Persistent Organic Pollutants: Role of Bacteria Ondrej Uhlik, Lucie Musilova, Michal Strejcek, Petra Lovecka, Tomas Macek, and Martina Mackova Using Endophytes to Enhance Phytoremediation Zareen Khan, and Sharon Doty Genetically Modified Plants Designed for Phytoremediation of Toxic Organic and Inorganic Contaminants Tomas Macek, Martina Novakova, Pavel Kotrba, Jitka Viktorova, Petra Lovecka, Jan Fiser, Miroslava Vrbova, Eva Tejklova, Jitka Najmanova, Katerina Demnerova, and Martina Mackova Plants' Contaminants Tolerance Utilization of Different Aspects Associated with Cadmium Tolerance in Plants to Compare Sensitive and Bioindicator Species Marisol Castrillo, Beatriz Pernia, Andrea De Sousa, and Rosa Reyes Analytical Tools for Exploring Metal Accumulation and Tolerance in Plants Katarina Vogel-Mikus, Iztok Arcon, Peter Kump, Primoz Pelicon, Marijan Necemer, Primoz Vavpetic, Spela Koren, and Marjana Regvar Metals and Metalloids Detoxification Mechanisms in Plants: Physiological and Biochemical Aspects Palaniswamy Thangavel, Ganapathi Sridevi, Naser A. Anjum, Iqbal Ahmad, and Eduarda Pereira Studies on Phytoextraction Processes and Some Plants' Reactions to Uptake and Hyperaccumulation of Substances Andrew Agbontalor Erakhrumen Uptake and Metabolism of Pharmaceuticals and Other Emerging Contaminants by Plants Benoit van Aken, Rouzbeh Tehrani, and Rashid Kaveh