The first decade of the 21st century saw a remarkable number of large-scale disasters. Earthquakes in Haiti and Sumatra underscored the serious economic consequences that catastrophic events can have on developing countries, while 9/11 and Hurricane Katrina showed that first world nations remain vulnerable.The Social Roots of Risk argues against the widespread notion that cataclysmic occurrences are singular events, driven by forces beyond our control. Instead, Kathleen Tierney contends that disasters of all types-be they natural, technological, or economic-are rooted in common social and inst