He is a leading expert in Indonesian law, and has published extensively on constitutional, criminal, civil, human rights, commercial and Islamic law in Indonesia. Rosemary Lyster is Professor of Climate and Environmental Law at the University of Sydney and is a recognised expert in climate and environmental law, with an extensive publication record in these fields. Tim Stephens is Professor of International Law at the University of Sydney. He is an international lawyer and geographer who has published extensively in the field of international law, with a particular focus on international environmental law.show more