拯救地球大智慧是大导演未知的一部优秀的欧美综艺 类型影视作品,主演有未知。影片的关键词是未知,Big Ideas for a Small Planet is an American documentary series on the Sundance Channel which focuses on environmental innovations such as alternative fuel and green building techniques. The series premiered on the iTunes Store prior to its release on the Sundance Channel on April 17, 2007. The television series is part of The Green, a block of programming on the Sundance Channe...