The main themes of the Rio+20 international conference, which was held in the Brazilian economic capital June 20th to 22nd, 2012, are the implementation of the "Green Economy" and the global governance of sustainable development. In a time when the world is experiencing an extremely serious financial crisis, the concept of a green economy combining growth with environmental imperatives is raising many questions.
What exactly is meant by "Green Economy", a concept backed by most large international organisations?
How can it contribute to sustainable development, particularly in developing countries?
Why does it put so many NGOs on the defensive?