Forthcoming Occasional Paper to be published by the European Union Institute of Security Studies (EU ISS). Author: Pietro De Matteis.   Summary and Policy Recommendations. This Occasional Paper aims at giving another perspective on the relevance of climate change for the EU’s foreign policy. Considering its linkages with various policy areas such as energy security, economic growth, foreign policy and even political stability, climate change is a major “game-changer” in international relations, and constitute a significant opportunity to reshape the international order according to the new global equilibria. As such, the set up of the climate change regime constitutes for the EU both an opportunity and a threat, in as much as it may either accelerate Europe’s decline as a …