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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.

Environment

Geo answer

The answer to today's Geo Quiz is Guerrero. The Mexican government wants to build a hydro-electric dam near the popular tourist resort of Acapulco and local residents aren't happy about it. The World's Lorne Matalon reports.

Environment

Geo answer

For today's Geo Quiz we wanted to know which sea is connected to Northern Ireland's Strangford Lough. The answer is the Irish Sea. Anchor Lisa Mullins speaks with Martin Wright, managing director of Marine Current Turbines that's trying to generate electricity from the tidal currents that flow through the narrows between the Strangford Lough and the sea.

Environment

Sahara solar power

European scientists want to build a giant solar farm in the Sahara desert, and they think that it might be a green way to solve most of Europe's energy needs, as Anchor Marco Werman speaks with Alok Jha

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.

Environment

French mogul touts electric car

Electric cars are the stars of this year's Paris Auto Show. And a French billionaire who's showcasing his own electric model claims he'll be mass-producing it next year. Correspondent Genevieve Oger has the story.

Business, Economics and Jobs

China touts hybrid car

A Chinese company that says it's developed a hybrid car with a longer-lasting battery. Investor Warren Buffet seems believes it. He's taken a 10-percent stake in the company. The World's Mary Kay Magistad reports from Beijing.