Depp wants to purchase the site of the 1890 massacre and return the land to local Sioux tribes.
The 50,000-year-old forest was buried in a layer of sediment that protected it in an oxygen-free environment.
Some of the most breathtaking spots around the globe are made of sweeping tree arches and delicately flowering branches.
In the late 90s, Harrelson partnered with a Canadian entrepreneur to figure out how to create wood-free, sustainable paper.
Chris Kreis saw the giant fish swimming near his boat off the coast of Florida, and promptly jumped in the water and hitched a ride.
Cameron challenged his fellow gala attendees to become better environmental stewards and adopt a plant-based lifestyle.
Hawke says that if crimes had no consequences, he’d grab some dynamite and go on an environmental terrorism spree.