At a very interesting presentation today by Mr. Siegfried Gerlach of Siemens Schweiz at the Kalaidos Business Forum , held at Hotel Novotel Zurich City-West , I learned, for example, about the following 3 megatrends : Demographic changes, urbanization, and climate change. Regarding demographic changes, I came across - on the website of Siemens Schweiz - this image showing that the population of Switzerland , women as well as men, is getting older. We live longer. I was somewhat surprised to also learn that, globally, buildings are responsible for 40% of energy consumption. See photo below. In this regard, I learned that there’s a large need to invest in energy efficient housing / buildings – thereby creating win-win-win solutions. The population / businesses win by being able to reduce energy costs for, for example, housing and by being able to produce energy. Businesses win. And the environment wins as well. At the Q&A session, I asked to what extent ...