Use of living organisms and plants to remediate and rehabilitate organic- and inorganic- polluted sites, bio-augmentation of microorganisms; factors affecting bioremediation and its success, adequate remediation technologies and evaluation of their efficiency. The course discusses bioremediation of controlled and uncontrolled waste dump sites, Planning and design of suitable biotechnologies to remediate polluted surface and groundwater and soil. Finally, the course discusses issues related to the financial and cost-effectiveness of bioremediation tools and economical costs of possible health and environmental impacts from polluted sites.