The doughnut model of development

by khristian méndez // Two words seem to be hanging with strings from the clouds over Rio de Janeiro these days, making their way into everyone's mouth: Sustainable Development. They are in there because they have been placed as the center concern for both Rio+20 and its alternative forum. Known as Cupula dos Povos or People's Summit, the counter part to Rio+20 is taking place next to the...