Video: Greg Hill is Climbing 100 Peaks Without Burning Fossil Fuels

Greg Hill has accomplished many things throughout his career. He has set records for the most vertical meters skied in a single year, he's climbed mountains, and pushed himself to his absolute limits. But a few years back, he realized that his approach to his adventures weren't necessarily very eco-friendly. To rectify that, he's taken a new approach to climbing and skiing. Now, he's attempting to summit 100 peaks without burning any kind of fossil fuels. How's that going for him? Have a look at this video to find out.