In the fast-evolving world of responsible business, two terms often dominate boardroom discussions and stakeholder reports: Sustainability and ESG. Though they are frequently used interchangeably, they are not the same, and understanding the difference could be the key to unlocking long-term value for your organization. The goal of this article is to help business leaders cut through the confusion, understand how ESG supports true sustainability, and learn how to use both strategically to build future-proof companies.