renewable energy

Arts, Culture & Media

Geo answer

Speyside is the answer to our Geo Quiz. Scientists in Scotland say they've created a new bio-fuel made from the by-products of whiskey. Professor Martin Tangeny is at Edinburgh Napier University. He speaks to anchor Katy Clark about his team's creation.

Science, Tech & Environment

Wind-up lights in Africa

More than a half a billion people in Sub-Saharan Africa don't have access to electricity. But now, a non-profit organization that has had success with its wind-up radio is using the same technology to turn on the lights. The World's Clark Boyd reports.

Science, Tech & Environment

The downside of biofuels

Washington has touted the increased use of biofuels, such as ethanol, as a way to reduce carbon emissions, but a study published today suggesting boosting the use of biofuels also poses some environmental hazards, as The World's Jason Margolis explains.