Switzerland’s solar railway is on the right track

The world’s first-ever ‘solar railway’, installed in Switzerland last year, has been a success - and it could pave the way for trials in more countries. Next stop: South Korea.  Swiss company Sun-Ways lays solar panels in the space between train tracks. If rolled out across Switzerland’s entire 5,200km rail network, Sun-Ways says, these panels could supply a percentage of the country’s electricity, without leaving any visual or environmental footprint. Here’s how it works.  The World Economic Forum’s Energy Transition Index benchmarks the progress of 120 countries as they work towards building a cleaner future.