0 Introduction : the contribution of sociology to the discourse on risk and uncertainty / Jens O. Zinn -- Risk society and reflexive modernization / Jens O. Zinn -- Governmentality and risk / Pat O'Malley -- Systems theory and risk / Klaus-Peter Japp and Isabel Kusche -- Edgework, risk, and uncertainty / Stephen Lyng -- Culture and risk / John Tulloch -- A comparison of sociological theorizing on risk and uncertainty / Jens O. Zinn.