Ollhoff, Jim

Demonstrates how climate change will affect the glaciers and oceans, how high sea levels will rise along with what will happen to Antarctica and the Arctic circle if Earth continues to grow warmer.

Introduces ways to reverse climate change from the obvious reduction of pollution and carbon dioxide through renewable future energy.

Takes a look at some of the most popular arguments against climate change and why they are only myths, along with debates of cold winters, natural processes, scientific errors, and global warming.

Offers insight into the years of slavery in the United States, discussing the spread of slavery, the Triangle Trade, the Underground Railroad, life in slavery, and other related topics.

Provides an introduction to genealogy and offers tips on how to get started on family research, collect primary records, make use of DNA testing, gather information on when and why immigrants came to live in the United States, and organize and use information on a family tree.

Discusses the consequences for the world of even small increases in the global temperature, including heat waves, flooding, farmland loss, animal extinction, and more.

Describes the geography, history, and industry of Washington, D.C., as well as other facts about our nation's capital.

Provides an overview of Mayan and Aztec mythology, with information on creation stories, gods, views on the soul and world, and other related topics.

Provides an overview of African mythology, with information on creation and trickster stories, death, disease, gods, goddesses, and other related topics.

Examines scientific topics related to climate change, discussing the greenhouse effect, the possible effects of global warming, the carbon cycle, and other related topics.