This essential reference work explores the role of finance in delivering sustainability within and outside the European Union. With sustainability affecting core elements of company, banking, and capital markets law, this handbook investigates the latest regulatory strategies for protecting the environment, delivering a fairer society, and improving governance. Each chapter is written by a leading scholar who provides a solid theoretical approach to the topic while focusing on recent developments. Looking beyond the European Union, the book also covers relevant developments in the US, the UK, and other major jurisdictions.