Watch Full Movie Online. This award winning documentary film explores the growing global threat of genetically engineered trees to our environment and to human health. The film features renowned geneticist and host of PBS' The Nature of Things David Suzuki, who explores the unknown and possibly disastrous consequences of improperly tested GE methods. Many scientists and activists are interviewed in the film, which serves as an effective and succinct tool for understanding the complex issue of GE trees. The film includes the testimony of many experts on the subject and serves as a valuable tool to inform students and those interested in environmental issues. The film has been well used in public forums, government as well as college and high school classrooms