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

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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.