but it certainly remains an important story to watch the security of the black sea. you do have the russians targeting ukrainian infrastructure. and so, the question is, even if the ukrainians are saying, "we're going to forego attacking commercial vessels," do you potentially have commercial vessels caught up in this sort of broader conflict that's playing out in this really important region for commodities? well, on that point, helima croft, always a pleasure having you on the show, and we'd love to talk to you again soon. thank you for having me. ok, so, so far in the program, we've been looking at how europe has dealt with the energy shock following russia's invasion of ukraine, and what that means for bills and businesses with winter coming down the pipeline. well, one company right at the heart of the issue is fortum. it's one of the biggest power supplies across the nordics, and it operates on the doorstep of both russia and western europe — and, as so happens, its energy is green.