This course teaches students how to apply financial tools and models to the understanding of and to developing solutions for sustainability challenges as defined by the UN Sustainable Development Goals. Particular emphasis is on understanding the role of financial markets and financial constraints and incentives as a source of problems and to understanding the role of financial markets and financial tools as a source of solutions in the areas of climate change, environmental stresses, as well as social inequity and economic development across the world. Corporate ESG (Environmental, Social, and Governance) ratings and financial ESG investment tools are prominently discussed.