Here is Rob's report, due for broadcast tonight
Whenever Russia has a stand-off with some of its neighbours over the price of supplying oil and gas - there is nervousness across Britain and the rest of Europe - and not just because it ratchets up the price of heat for all of us.
By the end of the decade Russia will supply a third of all Europe's gas - many European countries are already completely dependent on Russia.
So what are the possible alternatives?
Well of course there's one of Russia's neighbours, Kazakhstan where the oil and gas boom is transforming the country. Could IT be an answer to Europe's worries over energy security?
Our reporter Rob Broomby has just returned from the Caspian Sea.