PhD Bravo Sepulveda, Violeta: Bioremediation of petrohydrocarbons contaminated groundwater, 28 November 2006, LS Contaminated Sites

PhD Alemagi, Dieudonne: Towards a Comprehensive Strategy for the Effective and Efficient Management of Industrial Pollution Along the Atlantic Coast of Cameroon, 13 November 2006, LS New Economy

PhD Ewusi, Anthony: Groundwater Exploration and Management using Geophysics: Northern region of Ghana, 10 November 2006, LS Environmental Geology

PhD Angwafo, Tsi Evaristus: Status of Wildlife and its Utilisation in Faro and Benoué National Parks North Cameroon: Case study of the Derby Eland (Taurotragus derbianus gigas Gray, 1947) and the African Wild Dog (Lycaon pictus Temminck, 1840), 7 August 2006, LS General Ecology

PhD Fei-Baffoe, Bernhard: Double stage dry-wet fermentation of unsorted municipal solid waste, 27 July 2006, LS Waste Management

PhD Wongdeethai, Angkarn: The Development of Modern Management Tools and Their Specific Requirements for the Assessment of Recyclability of Products, 29 May 2006

PhD Fonche, Florentin Mongeng: The impact of alien plant invasions on biodiversity in South Africa. The case of alien Acacia species in the Gauteng and Chromolaena odorata in the Kwazulu National Provinces, 11 January 2006, LS General Ecology