There used to be places to go to escape the heat on our summer vacations. You could venture to Norway to see its world-famous fjords. A trip to Scotland for a temperate round of golf. Visiting Sweden’s Lapland could bring you face to face with reindeer.

But the Arctic’s icy grip is loosening as the planet warms, and these cool, far-flung destinations are becoming increasingly vulnerable to heat waves.

Extreme heat has roasted tourists across southern Europe from Spain and France to Italy and the Balkans in recent years, but the unusually high temperatures spread way north this summer. Legitimate heat waves have struck countries more synonymous with snowy, frigid weather in the winter and cool summers: Sweden, Finland and Norway.

Wildfires have erupted across Europe and Canada, as heat

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