We did a similar trip, and actually found the Rockies to be far more spectacular than mainland Alaska. Although the Glaciers and the calving was exceptional.
That's fine for land based users, but what about cruise ships, what would be the battery size needed to cover a transatlantic or Pacific crossing, which would be the minimum needed to make them viable.
Unless someone decides to build a nuclear powered cruise ship I imagine emission free ships will need to be electric. But can you imagine the size of the batteries needed for a ship as big as Iona?
17 deg here at present with expected high of 19, but no sun until later this evening. However it certainly feels warmer than June was, and quite pleasant when the sun is out, unfortunately not too often.
I doubt the crew listen to his broadcasts, and they are primarily intended for the passengers anyway, and only regular cruisers will have heard them before.
He was certainly more entertaining and noticeable than many of the other Captains we have sailed with.
Eavesway have now stopped offering coach travel òn some of the P&O ships definitely stopped Iona cruises because numbers are not enough, although they are still offering Aurora cruises.