What is the author's perspective in the nonfiction book, This Changes Everything?

This Changes Everything is a non-fiction book that is narrated in the first person by author Klein. Klein, who is a journalist, has more interest in the subject matter – climate change and its ramifications – than merely writing about it. She has been part of the movement and has observed much of which she writes about up close and has interviewed many principles in the fight to save the earth. Klein is dedicated to the fight to address climate change and its myriad causes and complexities. In her comprehensive work, which, at its roots, is a study of environmentalism versus capitalism, Klein has ventured into every corner of the subject.