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Filmmaker and climate change activist James Cameron described Donald Trump’s campaign as a unique opportunity to put climate change on the map for voters hours before a mini-documentary on the issue was set to air at the Democratic National Convention (DNC).

“If Trump is a declared denier, and he is, it’s unequivocal, now you’ve got some leverage for a swing voter,” said Cameron on a conference call for journalists. “I think you’ve got an angle of attack.”

Cameron’s short documentary—entitled Not Reality TV—aimed to do just that. The five-and-a-half minute film presents visuals of climate-related devastation along with voices calling attention to the issue from the likes of Pope Francis, George H.W. Bush and scientists. And, like much of the DNC, the video is filled with celebrities—from narration by Sigourney Weaver to an appearance by Jack Black.

Read More: Donald Trump Supported Addressing Climate Change Before Calling It a ‘Hoax’

The video also takes aim at Trump calling his position on the issue “dangerous” and showing some of his more outrageous remarks on the topic. On the call, Cameron described Trump as “incredibly reckless” and a “madman.”

Cameron has worked to bring attention to the issue as an executive producer on the show Years of Living Dangerously, which highlights different places affected by climate change—as well as possible climate change solutions—each episode.

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Write to Justin Worland at

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