Is concentrated solar power the future of renewable energy? A Guardian video shines a light on the world's first commercial solar tower.

Desolate depictions of the American landscape.

New developments in chemical-free pest control.

Norman Foster's visionary city rises outside Abu Dhabi.

Legislation would help move clean energy projects out of the laboratory and into the marketplace.

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

World's largest tidal power turbine unveiled in Scotland.

In Seattle, a green business finds new life in downed trees.

Visionary architectural concept from Holland, so advanced we don't understand it.

Researchers in Missouri aim to grow algae for biofuel in abandoned mines.