renewable energy

Arts, Culture & Media

Geo answer

Today's answer is Paris. It's the latest stop on Andy Pag's trip from Athens to London. Lisa Mullins speaks with Pag about the car he's using for the trip. It runs on vegetable oil.

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.