Quality and Pollution Control Technologies for Water, Air, and Soil, Josiane Nikiema, Evans M. Nkhalambayausi-Chirwa, and Yves Andres Seasonal and Spatial Changes of Microorganism Communities in Constructed Wetlands: A Community Level Physiological Profiling Analysis, Florent Chazarenc, Jacques Brisson, and Grard Merlin The Use of Inorganic Packing Materials during Methane Biofiltration, Josiane Nikiema and Michele Heitz Production of Ligninolytic Enzymes by White-Rot Fungus Datronia sp. KAPI0039 and Their Application for Reactive Dye Removal, Pilanee Vaithanomsat,Waraporn Apiwatanapiwat, Oncheera Petchoy, and Jirawate Chedchant Application of Ozone and Oxygen to Reduce Chemical Oxygen Demand and Hydrogen Sulfide from a Recovered Paper Processing Plant, Patricia A. Terry Performance Evaluation of AOP/Biological Hybrid Systemfor Treatment of Recalcitrant Organic Compounds, Stanford S. Makgato and Evans M. Nkhalambayausi-Chirwa Removal of OrganicMatter from Landfill Leachate by Advanced Oxidation Processes: A Review, Wei Li, Qixing Zhou, and Tao Hua Variability of Parameters Involved in Leachate Pollution Index and Determination of LPI from Four Landfills in Malaysia, Muhammad Umar, Hamidi Abdul Aziz, and Mohd Suffian Yusoff Nitrogen and Phosphorous Removal in Municipal Wastewater Treatment Plants in China: A Review, Yong Qiu, Han-chang Shi, and Miao He Modeling the Effect of Plants and Peat on Evapotranspiration in Constructed Wetlands, Florent Chazarenc, Simon Naylor, Yves Comeau, Grard Merlin, and Jacques Brisson Assessment of the Performance of Membranes Type Koch in Hartha Power Plant, Alaa Abdulrazaq Jassim The Possibilities of Reduction of Polychlorinated Dibenzo-P-Dioxins and Polychlorinated Dibenzofurans Emission, Grzegorz Wielgosinski Monitoring and Modelling the Trends of Primary and Secondary Air Pollution Precursors: The Case of the State of Kuwait, S. M. Al-Salemand A. R. Khan Effect of Saturated Near Surface on Nitrate and Ammonia Nitrogen Losses in Surface Runoff at the Loess Soil Hillslope, Yu-bin Zhang, Fen-li Zheng, and Ning Cao Toxicity Assessment of Sediments with Natural Anomalous Concentrations in HeavyMetals by the Use of Bioassay, Francisco Martın, Marlon Escoto, Juan Fernandez, Emilia Fernandez, Elena Arco, Manuel Sierra, and Carlos Dorronsoro