What interests you most about the environment? Are you concerned about water pollution? Air quality? Energy production? Forest fires? Space exploration? Your interests and questions matter. Illustrated with more than 800 photographs, charts, and graphics, this practical guide allows you to start with your curiosity and follow your questions to answers about the environment. The book is organized into units based on the five classical scientific elements of matter: Air, Earth, Fire, Space, and Water. With special call-outs on positive and negative environmental impacts, you'll be challenged to consider your own role in caring for and understanding the environment.