In 'Ice on Fire,' ideas to reverse global warming

Camera Operator Steve Gute photographs the Tempelfyorden, Svalbard, Norwegian Territory. Photo courtesy of HBO

Producer Leonardo DiCaprio and Director Leila Conners are out with a documentary called “Ice on Fire,” which focuses on people who are trying to reverse climate change, including a commercial fisherman who turned to kelp farming, and a company that invented a machine to suck carbon out of the atmosphere.