The document discusses how Siemens is responding to changes in the real estate industry by making its own properties more sustainable and efficient. Siemens has implemented initiatives to reduce energy consumption and carbon emissions in its real estate portfolio by 20% by 2020 and 50% by 2030 compared to 2014 levels. It is also leveraging distributed energy systems, reducing fleet emissions, and purchasing clean energy. Siemens aims to make its properties more resilient by providing operational insights, improving employee productivity, strengthening public perception, and generating savings through technologies that allow buildings to communicate their operational status.