ARNHEM, THE NETHERLANDS--(Marketwire - June 22, 2012) - This week, former California Governor Arnold Schwarzenegger, sustainability legend Gro Harlem Brundtland, Media guru and philanthropist Ted Turner, and 150 VIP guests celebrated the first concrete outcome at Rio+20, the United Nations Conference on Sustainable Development in Rio de Janeiro, Brazil: The launch of Sustainia100. Sustainia is proud to announce that PowerMatching City, the world's first total-concept smart grid deployment project, has been chosen for this prestigious list of solutions.