To advance the subject of design one has to engage in the activity of designing, ''Sustainable by Design'' offers a compelling and innovative, design-centred approach that explores both the meaning and practice of sustainable design. Walker explores the design process in the context of sustainability, and challenges conventional ways of defining, designing and producing functional objects. He discusses the personal design process, tacit knowledge, ephemeral design, experimental design, and the relationship between intellectual design criteria, physical expression and aesthetic experience. This book will introduce vital concepts to students and will inspire designers by providing a well-articulated basis for understanding the complexity and potential of sustainable design, and extolling the contribution of design to the creation of a more meaningful material culture.