As you're no doubt painfully aware, the first truly global squeeze on energy supplies is currently wreaking havoc around the world, and particularly in Europe. Understanding why this is happening is no mean feat since a perfect storm of complex factors has created the nightmarish scenario we find ourselves in. 

Read on as we track the turbulence that led up to the current energy crisis, and find out how different countries are fighting rising costs. All dollar amounts are in US dollars.