Major issue--the energy sources currently available to the world all have major drawbacks in the long term. Oil is efficient but leads to climate change. Coal is plentiful but polluting. Solar energy is appealing but only as dependable...

Discover the science concepts behind wind turbines and wind energy.

The many sources of energy production in the United States are described in this overview. Included are traditional sources, renewable sources, and new energy production technologies.

The U.S. Department of Energy provides links pertaining to solar energy. Understand the current technologies and issues with this resource.