This book offers a comprehensive and critical exploration of environmental, social, and governance (ESG) investing, focusing on its evolution, practical application, and impact on modern financial markets. Subarna Poddar examines widespread myths surrounding ESG while presenting evidence-based insights into how sustainability considerations influence investment decisions, risk management, and long-term value creation. The work discusses regulatory developments, data and measurement challenges, investor expectations, and the growing integration of ESG principles into mainstream finance. Through analytical discussion and real-world context, the book positions ESG investing as a significant force reshaping global markets rather than a passing trend, making it relevant for investors, corporate leaders, and policymakers