These are not mandatory, but they are helpful for getting an overview.
1) Shoenmaker, D. and Shramade, W., "Principles of Sustainable Finance", Oxford University Press, 2019.
2) Romm, J."Climate Change, What Everyone Needs to Know", Second Edition,Oxford University Press, 2018.
3) Dallas, G. and Lubrand M, "Governance, Stewardship and Sustainability, Theory, Practice and Evidence," Second Edition, Routledge 2023.