Getty ImagesAs New Delhi makes headlines yet again for its choking smog, experts and holidaymakers alike are pondering how worsening air quality will change travel in the long-term.
My first words during a Christmas trip to Hanoi last year did not bode well: “It looks like the set of Bladerunner.” I peered out of the airplane window, expecting to see Vietnam’s capital twinkling in the sunset. Instead, just like the 1982 dystopian sci-fi film, I was met with a blanket of grey, dirty mist smothering the city lights. A cautious traveller, I had double-checked my hotel bookings, taken out insurance, packed carefully. But there was one thing I…
