This course offers a comprehensive introduction to green and sustainable finance, merging fundamental financial concepts with environmental and social considerations. The course covers the economics of sustainability and the environment, leading into sustainable investment strategies, including thematic investing, exclusionary screening, and ESG integration. Participants will delve into sustainable financial instruments such as green bonds, sustainable banking, and insurance while examining the role of ESG criteria in financial decision-making. The course will also discuss how reporting and disclosure requirements are imposed to address critical issues such as greenwashing. Through case studies, students will learn to navigate the challenges and opportunities within the evolving landscape of sustainable finance, equipping them with the knowledge of sustainable and green finance.