STOCKHOLM – If he had hopped on a plane, Johan Hilm would have gotten from Sweden to Austria in two hours.
Instead, the lanky Swede made an epic overland journey by rail, bus and ferry that took more than 30 hours.
He joined a growing crowd of Europeans who are spurning air travel this summer out of concern for the environment.
Budget airlines such as Ireland's Ryanair and British easyJet revolutionized European travel two decades ago, when they first started offering to scoot people across the continent for as little as $20 a flight. But that mode of travel, once celebrated as an opening of the world, is now being recognized for its contribution to global problems.
Tourists have been spooked by the realization that one passenger's share of the exhaust from a single flight can cancel out a year's worth of Earth-friendly efforts. And so they are digging out their parents' yellowing Europe-by-rail guidebooks and trading tips on the most convenient night train to Vienna.
Mark Smith, founder of Seat 61, a popular website dedicated to train-based travel around Europe and beyond, said he has noticed a change in the people coming to his site. When he set it up in 2001, users told him they loved trains, or were scared of flying or couldn't fly.
"Now, when people tell me why they are taking the train, they say two things in the same breath: They say they are fed up with the stress of flying, and they want to cut their carbon footprint," Smith said.
So far, the biggest shift has been in green-conscious Sweden, where airline executives blame increased train travel — up one-third this summer compared with a year ago — for a drop in air passenger traffic.