Record heat waves, blazing wildfires and oppressive humidity are transforming the world’s tourism industry as holidaymakers struggle to deal with the havoc wrought by climate change. That’s seen a growing number look beyond traditional hotspots like Greece and Portugal in favour of ‘coolcations’ – visiting parts of the world that offer milder climes. Already, nearly half of Virtuoso’s luxury travel advisers say their clients are altering plans due to climate change. Heat waves in Europe saw tourist sites including the Acropolis in Athens and the Eiffel Tower in Paris shut this summer, and the region is tipped to see a...