Global: Will Rio+20 squander green legacy of the original Earth summit?

'Far from cooking up a plan to save the Earth, what may come out of the summit could instead be a deal to surrender the living world to a small cabal of bankers and engineers - one that will dump the promises of the first Rio summit along the way,' warns Jim Thomas about the UN Conference on Sustainable Development, due to happen next year. 'Tensions are already rising between northern countries and southern countries over the poorly defined concept of a global "Green Economy" that will be the centerpiece of the summit.'