Political Architecture is our object and our concern. It is a question and a statement in one. If politics is about the transformation and governing of society and beyond, including its ideological prioritizations, decision-making tactics, allocation of resources and distributing of power relations, then political architecture begins with architecture’s complicitous relationship with such processes. Our concern is with architecture's role in enforcing, implementing and transforming a particular societal order. Yet what architecture can do politically reaches beyond deliberate politics. Specifically, we ask what architecture does and can do in regions on the planet where critical attention toward matters of sustainability, resilience and development are more urgent than elsewhere. Thus, Critical Sustainability recognizes an urgent political task: to question the currently prevailing doctrines of architectural sustainability and to develop intellectually probing and architecturally daring alternatives.