Bioremediation of Organic and Metal Co-contaminated Environments: Effects of Metal Toxicity, Speciation, and Bioavailability on Biodegradation.- New Bioremediation Technologies to Remove Heavy Metals and Radionuclides using Fe(III)-, Sulfate- and Sulfur- Reducing Bacteria.- Bioremediation of Soils Polluted with Hexavalent Chromium using Bacteria: A Challenge.- Accumulation and Detoxification of Metals by Plants and Microbes.- Role of Phytochelatins in Phytoremediation of Heavy Metals.- Metal Resistance in Plants with Particular Reference to Aluminium.- Bioremediation of Metals: Microbial Processes and Techniques.- Phytoremediation of Metals and Radionuclides.- Nanotechnology for Bioremediation of Heavy Metals.- Biotechnological Approaches to Improve Phytoremediation Efficiency for Environment Contaminants.- Aquatic Plants for Phytotechnology.- Phytomonitoring of Air Pollutants for Environmental Quality Management.- Phytoremediation of Air Pollutants: A Review.- Phytoremediation: Role of Plants in Contaminated Site Management.- The Role of Macrophytes in Nutrient Removal using Constructed Wetlands.- Nitrate Pollution and its Remediation.- Bioremediation of Petroleum Sludge using Bacterial Consortium with Biosurfactant.- Diversity, Biodegradation and Bioremediation of Polycyclic Aromatic Hydrocarbons.- Environmental Applications of Fungal and Plant Systems: Decolourisation of Textile Wastewater and Related Dyestuffs.- Fungal-Based Remediation: Treatment of PCP Contaminated Soil in New Zealand.- Biofilms in Porous Media: Mathematical Modeling and Numerical Simulation.