Three years ago, former US Vice President Al Gore and David Blood, previously the head of Goldman Sachs Asset Management, set out to put sustainability investing firmly in the mainstream of equity analysis [through] [t]heir firm, Generation Investment Management...[Al Gore]: [T]he problem with th[e] approach [used by many social investment indexes & research agencies] is that it’s difficult to get a real sense of what’s happening in those businesses, because it’s basically a one-size-fits-all approach, often using questionnaires for decision making…[and] it misses the explicit acknowledgment that sustainability issues are integral to business strategy. [refers to Wal-Mart, Johnson Controls, General Electric, Novo Nordisk]