In this documentary, Jeff Bridges explores the environmental challenges faced by the planet with the aid of notable scientists, psychologists, anthropologists, physicists, spiritual leaders, politicians, military leaders, and breathtaking wildlife photography. 　　译文(2): 在这部纪录片中，杰夫 · 布里奇斯在著名科学家、心理学家、人类学家、物理学家、精神领袖、政治家、军事领袖和惊人的野生动物摄影的帮助下，探索了地球所面临的环境挑战。