In this engaging conversation, Katherine Collins, head of sustainable investing at Putnam Investments and author of *The Nature of Investing*, dives into the intricacies of ESG and impact investing. She discusses the challenges of incorporating social factors into investment strategies and emphasizes the need for diverse data sources. Katherine also highlights the importance of genuine sustainability efforts versus compliance, and advocates for investment strategies inspired by nature. Her insights provide a fresh perspective on navigating the evolving landscape of responsible investing.