Abstract
Catholic act analysis cannot reckon effectively or coherently with long-term, worldwide threats to human well-being that are caused by the corporate, cumulative side effects of everyday human activity. Indeed, Catholic act analysis leads moral agents to consider these side effects as morally trivial, when in fact they are not. This article develops the many problems associated with Catholic act analysis and proposes a different method and evaluative criteria to assess our daily patterns of behaviour and the side effects they produce