The annexation of Crimea and the consequent threats of gas supply cuts by Russia have been a reminder of an inconvenient truth: when it comes to politics, Europe will always be influenced by its dependency on Russian gas. According to the European Parliament, in 2013 Russia provided 43.2% of the European Union’s gas imports, 31.38% of its oil imports, and 26.7% of its coal imports. But the dependency runs both ways.