Pilots Bertrand Piccard, left, and Andre Borschberg, right, celebrate the landing of the solar-powered plane at San Pablo airport in Seville, Spain. Thursday, 23 June 2016. LAURA LEON ...

Bertrand Piccard shows how new technologies can revolutionize the blue economy and drive sustainable development.

Bertrand Piccard, left, and Prince Albert of Monaco, right, take off during the 25th International Hot Air Balloon week, in Chateau d’Oex, Switzerland, in 2003.Martial Trezzini/AP.