A snapshot from the Cross-Oppenheimer video collaboration. Climate Science Breakthrough/YouTube

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration.

David Cross is many things: a famed comic, an Emmy award winner, and a New York Times best-selling author. But he is not a climate scientist.

That fact might make him the perfect person to communicate the urgency of global heating to mass audiences. “You’ve got to speak to people in a way they can understand,” he said.

That’s the purpose of a new video in which Cross co-stars with renowned environmental scientist Michael Oppenheimer. “Humor, as I think has been shown over centuries, is a very effective way to get people to absorb the........

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