Today, sustainability is not just a buzzword. It is an essential part of doing business. Consumers and investors expect executives to focus on sustainability by investing in practices to elevate their company’s environmental, social, and governance (ESG) profile. With real estate being responsible for around 40 percent of global carbon emissions, according to the World Economic Forum, leaders must understand one of the most critical ESG initiatives they can undertake involves improving the energy efficiency of their company’s buildings.