There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world, and how we can use it to combat climate change.

This clip disccuses the ancient civilization of Mesopotamia. Mesopotamia was the world's first recorded city.

Frustrated with electric bills, Homer decides to take his house off the power grid and generate power using wind energy. He quickly finds issues with its reliability.

The Department of Defense embraces looking for alternatives to using fuel to help protect soldiers and provide safer living conditions.

From artistry to politics, ancient Greece left a considerable impression on world history. Learn why Greek and Roman gods share so many similarities, how the alphabet got its name, and how the legacy of ancient Greece has evolved over thousands of years.