© International Ecological Engineering Society, Wolhusen, Switzerland

• Read this first! By Andreas Schoenborn, Switzerland

• Engineering with an attitude. Interview with David del Porto, USA

• Multi criteria analysis for sustainable wastewater treatment By Annelies Balkema, Stefan Weijers, Fred Lambert, Heinz Preisig, The Netherlands
• New Housing: Decision Support for Water & Wastewater Management. By Roland Burkhard, United Kingdom
• SANEX™: A Simple Expert System for Evaluating Sanitation Systems in Developing Countries. By Thomas Loetscher, Australia
• Comparing Consequence Analysis- a Practical Method to Find the Right Solution for Wastewater Treatment. By Peter Ridderstolpe, Sweden

• Open Doors at the Pilot Greenhouse Ruswil, Switzerland, on October 2, 1999. By Brigitta Zuest, Switzerland
• Dissertation on Purification Function of Wetlands in the Liaohe Delta, China. By Li Xiuzhen, China
• Sustainability and Liberalization in the German Water Sector - a Workshop Report. By Andreas Schoenborn, Switzerland
• Present State of the Otelfingen Aquaculture Pilot Project. By Juerg Staudenmann, Switzerland
• Ecological Engineering News From Aotearoa/New Zealand. By Andrew Dakers, New Zealand

• IEES elections 2000 (for members only)

• News of general interest to ecological engineers

• Upcoming conferences and courses!

• The Computer Age has Come to the Swamp

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• Who did all that...

• No. 1/1999