United Nations Secretary General Ban Ki-moon (right) with Solar Impulse pilots and innovators Bertrand Piccard (left) and André Borschberg (centre), during Mr. Ban’s visit Monday evening. MONTRÉAL, 15 JUNE 2016 – United Nations Secretary General Ban Ki-moon praised the environmental contributions of the Solar Impulse project and its founders earlier this week, during his tour of the pioneering solar-powered aircraft in its temporary hangar at JFK airport in New York. The UNSG stressed the importance…