The solar voyager

While Solar Impulse 2, the aircraft powered by solar energy is reaching the end of its journey around the World, another “eco” international industrial enterprise…

The harsh lesson of Monte Narba

A silver mine, hibernated for decades in its splendid isolation, is now a symbol of the wealth of industrial and architectural heritage inherited from mining golden era. But Monte Narba is equally emblematic of the inability to enhance or, at least, to protect historic valuable sites.