The interconnected fields driving sustainable business and the transition to a net-zero future, with a particular focus on the massive growth and regulatory landscape in India. They explore the Circular Economy, detailing models like Product-as-a-Service (PaaS) and startup innovations across waste reduction, biochar transformation, and circular fashion. Furthermore, the text analyzes Climate Tech innovation, highlighting record investments, the expansion of green hydrogen and solar capacity in India, and emerging trends like AI-driven climate solutions. Crucially, the sources cover Impact Entrepreneurship, emphasizing the triple bottom line and crucial impact measurement frameworks like SROI, alongside detailed information on ESG Compliance, including India's mandatory BRSR framework and the global role of B Corporation certification.