Renewable Energy

Researchers are harnessing the power of sugar to fuel electronics.

The monarch butterfly, once everywhere, is fading from view.

A tank takes about three minutes to fill and is good for about 300 miles.

With efficiency, energy costs can plummet.

A clever new idea could save renewable energy for when the wind is not blowing and the sun is not shining.

Can enormous heat deep in the earth be harnessed to provide energy for us on the surface?

How can India fight its choking smog?

Geologists in Iceland unexpectedly hit magma when they were drilling for a source of geothermal heat, and used the molten rock to generate super-hot steam to power a geothermal energy plant.

With severe winter storms, impact of alternative energy sources grows clearer.