The Science of Renewable Energy
Real-World STEM: Global Access to Clean Water
Climate Change: Our Impact on Earth: Weather Patterns
Transforming Earth's Geography: Famine and Drought
Science and Sustainability: Science and Sustainable Wildlife Habitats
Let's Find Out! Our Dynamic Earth: The Rock Cycle
The World's Oceans: Geography, History, and Environment
Let's Find Out! Our Dynamic Earth: Volcanic Processes
Global Viewpoints: Extreme Weather Events
Backyard Biomes: There Are Grasslands in My Backyard!
Big Business: Inside the Gold Industry
The Study of Science: Earth Science
The Nile: An Encyclopedia of Geography, History, and Culture
Climate Change: An Encyclopedia of Science, Society, and Solutions
UXL Encyclopedia of Weather and Natural Disasters
Principles of Science: Principles of Astronomy
The Economics of Energy: The Pros and Cons of Algae Biofuel
The Global Water Crisis: A Reference Handbook