Monographs
Environmental Assessment as a Tool for Climate Change Mitigation
Oxford: Oxford University Press, 2025
Building on a survey of more than one hundred national environmental-assessment regimes, the book reflects on the conceptual and practical issues of climate assessment and identifies good practice for lawmakers, regulators, agencies, judges and lawyers.
International Law Obligations on Climate Change Mitigation
Oxford: Oxford University Press, Oxford Monographs in International Law, 2022
A first comprehensive doctrinal study of states' obligations on climate change mitigation — arising not only from climate treaties but also from customary international law, unilateral declarations and, possibly, human-rights treaties.
The International Law on Climate Change
Cambridge: Cambridge University Press, 2018
A systematic account of the international law applicable to climate change, spanning mitigation, adaptation, loss and damage, and the interplay of treaty and customary law.
The Concept of Climate Migration: Advocacy and its Prospect
Cheltenham: Edward Elgar, Elgar Studies in Climate Law, 2016
An interdisciplinary inquiry into the humanitarian, migration and climate-change narratives around “climate migration,” and their prospects — and risks — for global governance.
Les Migrations Environnementales : Enjeux et Gouvernance
Paris: Presses de Sciences Po, 2014 — with Christel Cournil
Une synthèse des savoirs et des débats sur les migrations environnementales, avec un accent particulier sur les questions juridiques et de gouvernance.
Edited volumes
Climate Migration: Critical Perspectives for Law, Policy and Research
Hart Bloomsbury, 2023 — co-edited with Calum Nicholson
Brings together key critiques, caveats and cautions to examine, dispassionately, the challenges facing law, policy and research on “climate migration.”
Debating Climate Law
Cambridge: Cambridge University Press, 2021 — co-edited with Alexander Zahar
Leading scholars debate fundamental questions at the frontier of climate-law scholarship, in a debating-style format designed to fire up critical thinking.
Research Handbook on Climate Change, Migration and the Law
Cheltenham: Edward Elgar, 2017 — co-edited with François Crépeau
A comprehensive reference on the legal dimensions of climate change and human migration, bringing together leading voices across law, policy and the social sciences.
Critical International Law: Post-realism, Post-colonialism and Transnationalism
New Delhi: Oxford University Press, 2014 — co-edited with Prabhakar Singh
Essays reflecting three movements in critical international-law scholarship — post-realism, post-colonialism and transnationalism — reintroducing critical theory to a broad audience.