Inventor, entrepreneur and engineer Bernie Karl runs Chena Hot Springs Resort in Alaska year-round on 100% geothermal power. Some of his innovations hold promise for sustainable living, while others - like his ice museum and airplane on stilts - are just weird. "Never Had a Bad Day" follows him as he prepares for his annual Energy Fair, a symposium that attracts high-level politicians, high-power academics and hundreds of guests. Along... see more