Analysis quantifies a dramatic price drop that parallels similar improvements in solar and wind energy, and shows further steep declines could be possible

A scheme offering people up to £10,000 for insulation has only reached 10% of its target, MPs say.

New system uses the sun and impure water to make renewable energy.

Britain's electricity sector continues to decarbonise, but its capacity to store energy lags far behind.

Lettuce grows well in greenhouses made of clear solar panels. "We were a little surprised—there was no real reduction in plant growth or health."

New findings may help unleash the potential of high-powered, solid-electrolyte lithium batteries.

When power companies make sustainably produced electricity their default option, consumers are more likely to choose it, a new study shows.

Claire Lamman doubles as an astronomy graduate student at Harvard and an expert space baker.

When suppliers make green energy the default choice, consumers stick with it even if it's costly.

The rush to evacuate communities and abandon nuclear energy was understandable, but an error.