The book "Redeeming REDD" by Michael I. Brown discusses how forests can help fight climate change by absorbing carbon emissions. The author explains the importance of preventing deforestation to avoid releasing stored carbon into the atmosphere. The book reviews the history and challenges of the REDD program, which aims to reduce tropical deforestation and carbon emissions. The main goal is to show how forests can play a crucial role in mitigating climate change, and the book explores the complexities and difficulties of implementing the REDD program effectively.