Traditional methods of property investment risk assessment are insufficient in a world facing unprecedented challenges such as rising sea levels, overpopulation, inequality and access to natural resources; which are changing the basic patterns of the last two centuries. This belief led the Grosvenor Group to publish a ranking of 50 global cities by environmental and social resilience and use this research as part of its investment risk analysis to go beyond the traditional methods such as standard deviation of returns, projected vacancy rates and forecast rental returns.