4 th International Conference on Appropriate Technology November 2010, Accra, Ghana 1 TABLE OF CONTENTS Plenary Paper Session I: Water Editor and Session Chair: John Tharakan, Howard University 1. Appropriate Technologies for Water and Sanitation p.5 John Tharakan Department of Chemical Engineering, Howard University Washington DC, USA; E-mail: jtharakan@howard.edu 2. Sustainable Fresh Water Supply for Chennai city, Tamil Nadu, India –A Status Update Joseph Thomas p.13 Chief Technology Officer Villgro, Chennai, INDIA; E-mail: joseph@villgro.org 3. A Sustainable And Robust Membrane Water Treatment Unit For Potable Water Production In Remote Rural Areas p.21 V L Pillay 1 and A Kalu 2 1 Dept of Chemical Engineering, Durban University of Technology, Durban, RSA; E-mail : pillayvl@dut.ac.za 2 Center for Advanced Water Technology & Energy Systems, Savannah State University, Georgia, USA; E-mail: kalua@savannahstate.edu 4. Safe Water; for Health and Wealth Stella M. Odaba Solar Cookers International (Ea) (will appear on CD version) Nairobi, KENYA; Email: stellaodaba@yahoo.com 5. Appropriate technology and Water: Institutions of higher learning’s role to find solutions for a thirsty planet p.28 Tsitsi Gate, Roseline Karambakuwa and Gilliet Chikunwe ZIMBABWE, E-mail: gatetsitsi@yahoo.co.uk Plenary Paper Session II: Sanitation and Environment Editor and Session Chair: John Tharakan, Howard University 1. Barefoot Ethics: Social Justice Through An Appropriate Technology Checklist Charles C. Verharen and John Tharakan p.36 Departments of Philosophy and Chemical Engineering, Howard University, Washington, DC, USA; cverharen@howard.edu; jtharakan@howard.edu 2. Placer Mining and the Guyana Environment W T Dalgety p.43 Guyana Geology and Mines Commission GGMC Georgetown, GUYANA; E-mail: tdalgety@yahoo.com 3. Household Willingness to Pay for Improved Solid Waste Management in Osun State, Nigeria Adepoju, A. A. and K. K. Salimonu p.51 Department of Agricultural Economics and Extension, Ladoke Akintola University of Technology, Ogbomoso; NIGERIA, E-mail:busola_adepoju@yahoo.com