I have always loved fairground rides but Loke, which sends me skywards, high over leafy Gothenburg, is a first. Not because it’s the fastest or the highest but because, as this pendulum-like ride propels thrill-seekers through the air, its powerful deceleration generates electricity, which is fed into Sweden’s national grid. And it’s not the Liseberg theme park’s only nod to sustainability. Six of its restaurants are MSC (Marine Stewardship Council) certified.Often overshadowed by Stockholm,…
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