By Ben Tavener, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL – In just over a month, the UN’s biggest ever international event on sustainable development, Rio+20, is set to bring together global leaders in Brazil to agree on specific goals and actions. The conference is an important moment for Rio, hosting a major international event, and for the Rousseff administration to leverage the opportunity on the world stage.
With 182 UN member states and 135 world leaders attending, including . . .