"Sir Richard Doll, the celebrated epidemiologist who established that smoking causes lung cancer, was receiving a consultancy fee of $1,500 a day in the mid-1980s from Monsanto," reports The Guardian. "While he was being paid by Monsanto, Sir Richard wrote to a royal Australian commission investigating the potential cancer-causing properties of Agent Orange, made by Monsanto and used by the US in the Vietnam war.

Only a small proportion of annual corporate social responsibility (CSR) reports -- perhaps 15 to 20 percent -- provide "very thorough" accounts of real ethical problems faced by companies. Even that measure comes from within the CSR report industry, in interviews with writers Andrew Brengle of KLD Research & Analytics and Jeff Erikson of SustainAbility Inc.