Excessive wealth, extreme emissions – and ecocide: what I learned at Europe’s big superyacht show

These yachts are highly popular with the ‘super-bourgeoisie’ – and getting bigger. Can anything be done to stop them destroying our seas? Who knew? Apparently everyone did, apart from me: you don’t wear shoes on a superyacht. Now, about to step on to my first teak deck at the Monaco Yacht Show, I’ve got to take my trainers off, and I’m having a sock panic. Have they got holes? Do they even match? Do they smell?…