Book excerpt: This ground-breaking volume provides analyses from experts around the globe on the part played by national and international law, through legislation and the courts, in advancing efforts to tackle climate change, and what needs to be done in the future. Published under the auspices of the British Institute of International and Comparative Law (BIICL), the volume builds on an event convened at BIICL, which brought together academics, legal practitioners and NGO representatives. The volume offers not only the insights from that event, but also additional materials, sollicited to offer the reader a more complete picture of how climate change litigation is evolving in a global perspective, highlighting both opportunities, and constraints.