This paper follows the UN Climate Change Conferences with an emphasis on the European Union. Chronologically presented follows the political games of the biggest players in the international arena and tries to find the answers to actions that certain countries took. Also, presents measurements the European Union took as an important step into reaching an agreement on a world scale. Furthermore, this paper gives examples of the actions within countries of the EU and their part played in this global field. It will give you a ride through all the level of decision making in this complex multilevel game.