African country reveals plans for world's biggest solar plant.

Renewable power is cheaper and safer, military leaders say.

Region beginning to tap seismic volatility for electricity needs.

Trash-to-energy projects gain support on the West Coast.

Nation's first energy storage bill passed by the California Legislature.

Mojave Desert facility will be California's first solar thermal project in two decades.

World's largest tidal power turbine unveiled in Scotland.

But GM says $350-a-month lease deal will put electric car within reach for many.

The switch to efficient lighting will have a significant impact on emissions – and climate change.

New nanotechnology research means your pants may one day power your iPod.