In a world where sustainability is no longer a matter of choice but rather an imperative, ESG (Environmental, Social, and Governance) regulations are profoundly reshaping the economic and financial landscape at an unprecedented pace. For companies and financial operators, maintaining compliance is not merely a matter of legal obligation but rather a strategic imperative for competing and thriving in the global marketplace. This book serves as an indispensable resource, providing a comprehensive framework for navigating the intricate dynamics of the present moment and anticipating the challenges that lie ahead. Through meticulous examination and a pragmatic approach, the text presents a thorough and contemporary guide to deciphering and implementing the most recent ESG regulations. From the Sustainable Finance Disclosure Regulation (SFDR) to the Corporate Sustainability Reporting Directive (CSRD) to the Taxonomy Regulation, European legislation is meticulously examined to provide operational tools. However, our geographic interests extend beyond Europe. The book offers a unique global perspective, essential for those operating in international markets, through an in-depth comparative analysis between the European "double materiality" approach and the US SEC approach. This guide is intended to serve as a comprehensive resource, extending beyond the scope of a mere regulatory manual. It is designed to facilitate a process of transformation, offering a framework for integrating Environmental, Social, and Governance (ESG) principles into business strategy, risk management, and financial communication. The objective of this text is to elucidate the process by which sustainability obligations can be transformed into a catalyst for value creation, resilience, and enduring success.