Jon Turteltaub, the guy behind "National Treasure," is set to direct an adventure film focusing on the origins of Greenpeace, and Aaron Sorkin ("The Social Network") may end up writing the script.

Variety says the story will be set in the '70s and '80s, following Greenpeace founders Bob Hunter and Rex Weyler as they embark on missions to disrupt whaling ships, nuclear bomb tests and other activities.

The film will pull from the books "Greenpeace: How a Group of Ecologists, Journalists, and Visionaries Changed the World" and "Warriors of the Rainbow: A Chronicle of the Greenpeace Movement."

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