In this informative book, Yoshifumi Tanaka examines the key legal issues within the developing field of polar law through the lens of public international law. He argues that the polar regions are a microcosm of challenges facing the international community today, and emphasises the crucial role of polar law in addressing them. From issues involving international spatial order to the peaceful settlement of international disputes, Tanaka provides a comprehensive overview of polar law. Chapters explore the importance of conservation and sustainability regarding both natural resources and biodiversity, as well as the regulation of shipping and scientific research in the polar regions. With detailed references and systemic analyses, this book not only details the complexities of polar law but asserts it as an increasingly important branch of international law. Polar Law is a crucial reference for scholars and students in the fields of public international law, international relations, and environmental law. Practitioners and government officials working in the field of polar research will also benefit from the book's insights.