Ken Yeang is an architect-planner and ecologist whose design and masterplanning work are at the cutting edge of green design. He is a principal of Llewelyn Davies Yeang (UK) and its sister company, Hamzah & Yeang (Malaysia). His latest book with co-author Lillian Woo, Dictionary of Ecodesign has just published. It is the first guide to the terminology of sustainable design. Written by an internationally renowned expert in the field, this illustrated dictionary provides over 1500 definitions and explanations of ecodesign terms.