Brussels, 25/06/2012 (Agence Europe) - Disappointed by the results last week of the Rio+20 conference on sustainable development, regions from across Europe and the world agreed on how they themselves would take action in the fight against climate change. The Assembly of European Regions (AER) is encouraging its 250-plus members to sign the Rio+20 Declaration of the Regions. According to the level of development and resources, regions can choose to make a commitment to a sustainable future...