Eco-Renovation, published by Chelsea Green's U.K. Green Books, is organized under four main heading energy, health, and materials. The book guides you each of these fields, and prioritizes choices according basic ecological principles of recycling, self-sufficient renewability, conservation, and efficiency. It includes checklist for making an ecological assessment of you and detailed appendices that will enable you to lo qgreenerq products.However, we need to be willing to repair rather than replace. This is true for almost any area of our home, whether it is touching up the paintwork or repairing a cupboard door. Sash window renovation provides perhaps the best example of all.