The Science of Renewable Energy
Transforming Earth's Geography: Famine and Drought
Climate Change: Our Impact on Earth: Weather Patterns
The World's Oceans: Geography, History, and Environment
The Push for Social Change: The Environmental Movement
Science and Sustainability: Science and Sustainable Wildlife Habitats
Global Viewpoints: Extreme Weather Events
The Study of Science: Earth Science
Climate Change: An Encyclopedia of Science, Society, and Solutions
The Nile: An Encyclopedia of Geography, History, and Culture
Big Business: Inside the Gold Industry
Backyard Biomes: There Are Grasslands in My Backyard!
UXL Encyclopedia of Weather and Natural Disasters
The Economics of Energy: The Pros and Cons of Nuclear Power
The Economics of Energy: The Pros and Cons of Algae Biofuel
Principles of Science: Principles of Astronomy