Principles of Science: Principles of Astronomy
Water Planet: The Culture, Politics, Economics, and Sustainability of Water on Earth
Eye on the Sky: When Tornadoes Touch Down
The Economics of Energy: The Pros and Cons of Wave Power
The Economics of Energy: The Pros and Cons of Geothermal Power
The Economics of Energy: The Pros and Cons of Algae Biofuel
Climate Change: Examining the Facts
The Global Water Crisis: A Reference Handbook
The Importance of Scientific Theory: The Importance of Plate Tectonic Theory