This book presents the main conclusions reached by the academic project Geopolitics of Gas and the Future of the Euro-Russian Relations (Geo4GER). This project is being developed at IPRI Portuguese Institute of International Relations, NOVA University, an academic research institute dedicated to advanced studies in Political Science and International Relations, of NOVA University of Lisbon, Portugal. Energy security is a key issue on the international political agenda, a prerequisite for political stability and economic development and an indivisible part of a states overall security. For...