Jeffrey Sachs, the economist and director of the Earth Institute at Columbia University, speaks with a velvet tongue but packs a mighty punch.
Big business, he says, is not responsible only for destroying the American democratic system, but has also transformed citizens into consumer addicts.
While multinationals continue to line their own pockets, what they leave in their wake is billions of people who are not only unhappy, but are suffering increasing levels of anxiety.
While a few companies are serious about dealing with the sustainability challenges of our age, Sachs says many more are still engaging in green washing, while he describes the fossil-fuel lobby, and the Koch brothers in particular, as "disgusting."
Read here, this insightful article about the worlds' dangerous direction: Rio+20Sachs