Melting permafrost threatens Swiss villages

Inter Press Service: Melting glaciers are the most visible effect of global warming in the Swiss Alps. Meanwhile, permafrost is invisible and melting too, often causing rockfall and massive debris flows, ultimately threatening mountain villages. Guttannen, home to 310 residents, is a tiny village in the Bernese Alps, the last one that travellers drive through on the way up to Grimsel Pass. It`s spring and the snow is retreating from the steep slopes of the valley. As the pass is still closed, calm reigns in the picturesque......

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