Climate Change: Our Impact on Earth: Weather Patterns
Science and Sustainability: Science and Sustainable Wildlife Habitats
The World's Oceans: Geography, History, and Environment
Global Viewpoints: Extreme Weather Events
Let's Find Out! Our Dynamic Earth: Volcanic Processes
Real-World STEM: Global Access to Clean Water
The Push for Social Change: The Environmental Movement
Transforming Earth's Geography: Famine and Drought
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!
The Economics of Energy: The Pros and Cons of Geothermal Power
Principles of Science: Principles of Astronomy
Water Planet: The Culture, Politics, Economics, and Sustainability of Water on Earth
The Economics of Energy: The Pros and Cons of Nuclear Power