This chapter delves into the evolving landscape of ESG investing, emphasizing its critical role in wealth management and portfolio construction. The author examines the codification of ESG principles and the implications of regulatory frameworks such as the Sustainable Finance Disclosure Regulation (SFDR) on investment strategies. The chapter addresses asset managers’ challenges in integrating ESG indicators, including litigation risks and fiduciary duty considerations. Case studies highlight successful divestment strategies, incorporating green bonds, and applying an ESG-adjusted Capital Asset Pricing Model (CAPM). The discussion underscores the necessity of aligning investment practices with sustainability objectives to meet the increasing demands of socially conscious investors.