This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.

Russia's suspension of deliveries to Poland and Bulgaria over their refusal to pay in roubles, the Russian currency, was a stark reminder of the threat facing the Eurozone. Russia has the largest natural gas reserves in the world and is the largest exporter, accounting for around 40% of Europe's imports.