Book excerpt: At a time when pollution, urban sprawl, and condo booms are leading municipal governments to adopt prescriptive laws and regulations, this book lays the groundwork for a more informed debate between those trying to preserve private property rights and those trying to assert public interests. Rather than asking whether community interests should prevail over the rights of private property owners, Public Interest, Private Property delves into the heart of the argument to ask key questions. Under what conditions should public interests take precedence? And when they do, in what manner should they be limited? Drawing on case studies from across Canada, the contributors examine the tensions surrounding expropriation, smart growth, tree bylaws, green development, and municipal water provision. They also explore frustrations arising from the perceived loss of procedural rights in urban-planning decision making, the absence of a clear definition of “public interest,” and the ambiguity surrounding the controls property owners have within a public-planning system.