William Yuan, a seventh-grader from Portland, OR, developed a three-dimensional solar cell that absorbs UV as well as visible light.

In 1979, President Jimmy Carter installed solar panels on the roof of the White House West Wing. The panels were a symbol of a new solar strategy to "move our nation toward true energy security and abundant, readily available energy supplies."

Consider the following factors to determine whether a wind system is right for you.

Three solar cell options easily unfold from 10.5 inches to various sizes from 30 inches to as large as 60 inches. A very cool Element backpack is included which stores both your MacBook and the Solar Cell.

U.S. wind power capacity increased by 46 percent in 2007, with $9 billion invested in U.S. wind plants in 2007 alone, making the U.S. the fastest-growing wind power market in the world for the third straight year.

Far West Rice Mills in Nelson, Calif., on Wednesday dedicated a 1-MW solar array that will provide three-fourths of its electricity. The array is made up of 5,500 solar panels.

When Turkmenistan became independent in 1991, the authorities lost interest in science, research centres suffered staff cuts, and the Academy of Sciences and the Solar Institute were closed altogether.

If you think it's too difficult to transform your home into an eco-friendly living space, Sandy Creighton begs to differ.

The United States has been called the Saudi Arabia of wind, but transmission line deficiencies might keep the nation from achieving its wind energy goals.

New solar dish harnesses power from heat - at a size and cost that make soaking up the sun even more attractive.