As climate change melts the world's glaciers, some nations must redefine their national borders. Above, the Basodino Glacier near the Swiss-Italian border.Via Wikimedia Commons Something really rather strange is happening to Switzerland, where I spent part of last week at an international conference. The mountainous country is shrinking as a result of global warming. The Italian and Swiss governments have agreed to redraw parts of the border between the two nations -- fixed in 1861, when Italy became a unified state. Climate change is increasingly emerging as a cause of changes in national boundaries, something traditionally achieved by warring armies …
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Geoffrey Lean, Contributing Editor (Environment) at London's Daily Telegraph, has been covering the field for almost 40 years and has won many national and international awards for his work.