Recent years have been challenging for property investors, with high interest rates and volatile property values. At the same time, increasing demands for sustainability are adding new pressures. How can an investor today ensure they get the returns they need from their sustainable property portfolio?     We talk with two experts who share their insights into the challenges and opportunities facing real estate investors right now, both in Europe and the United States.    This episode’s guests:       Cecilia Fasth, CEO of Stena Property, a major property investor in the Nordic and Central European markets.    Murphy McCullough, Business Unit President for Skanska USA Commercial Development.