That all companies must be part of the sustainability transition is no longer just good advice but a necessity since the world is in an unsustainable state, both environmentally and socially. The legal, contractual and moral rules of the games for conducting business are rapidly changing for all companies involved in business or finance related to the European Union. This crucially important book explains the changing landscape and provides a guide for companies on how to transform into more sustainable businesses while at the same time complying with the laws adopted as part of the EU green deal.In this book, the author addresses such issues and topics as the following:holistic framework to understand environmental and social sustainability and its relevance for business;overview of the entire field of EU sustainability law, from human rights treaties to sustainability regulations to sustainable contracts;the connection between sustainability, economics and morality;sustainable finance and the Sustainable Finance Disclosure Regulation, EU Taxonomy and Green Bonds Regulation;sustainable business and the Corporate Sustainability Reporting and Due Diligence Directives;the European Sustainability Reporting Standards;sustainability and contracts; andsustainable supply chains.This book is an in-depth introduction to EU sustainability law and can be read as an instruction manual for sustainable business in general. It is an important guide for lawyers, business leaders, sustainability officers, auditors, and advisors. It provides a necessary basic understanding of what is required to transform today s business into a sustainable business and thus contribute to the future of humanity on Earth.