Over the last century, international law has sought to keep pace with sweeping changes that have revolutionised the international community. It has done so in various ways: by developing new fields, adopting new legal instruments, and including new actors and entities in the international fora. Human rights law and environmental law have emerged to address essential issues raised by civil society. Treaties, judgments and soft law instruments have attempted to fill the gaps in regulation. International organisations, corporations, civil society organisations and individuals have all worked to...