Rio+20 as seen by Gilles Berhault, president of the Comité 21 and president of the Club France Rio+20br This conference is being held in Rio de Janeiro from 20 to 22 June 2012, 20 years after the first Earth Summit, which had marked a turning point in the consideration of environmental challenges at the international level. It helped foster the recognition of an integrated approach to sustainable development and the fight against poverty, in particular its social and environmental aspects.