Essential EU climate law / edited by Edwin Woerdman, Associate Professor of Law and Economics and Co-director of the Groningen Centre of Energy Law, University of Groningen, the Netherlands; Martha Roggenkamp, Professor of Energy Law and Director of the Groningen Centre of Energy Law, University of Groningen, the Netherlands; Marijn Holwerda, Legal Counsel, NV Nederlandse Gasunie and Fellow of the Groningen Centre of Energy Law, University of Groningen, the Netherlands.