You probably haven’t heard of Hayes Barnard, but his work could help save the planet. A former executive at SolarCity, the solar panel firm purchased by Elon Musk’s electric car firm Tesla in 2016, Barnard has now turned his attention to making solar energy installations more accessible and affordable, fueling the transition onto sustainable energy. “Climate change is a trillion dollar problem,” Barnard, former chief revenue officer of SolarCity, tells Inverse. “So how do we