 For example, the bank has cut its energy supply by a half, water consumption by over 70 percent and CO2 emissions by almost 90 percent, making the new towers one of the most eco-friendly high-rise buildings in the world.The towers received the highest possible certifications of LEED Platinum and DGNB Gold for their resource and energy efficiency.Scot Horst (U.S. Green Building Council) and Professor Manfred Hegger (German Sustainable Building Council) presented the two certificates to Hermann-Josef Lamberti who, as Chief Operating Officer, was the Deutsche Bank Management Board member responsible for the renovation.