China announced it will cut greenhouse gas emissions by 2020 with a pledge to reduce what's called "carbon intensity." Jeremy Hobson explains what the term means and how the rate of emissions is involved.

The recession has cut into wine sales in restaurants, so winemakers are trying to find ways to attract new buyers, including one market the business had previously written off. Ethan Lindsey reports.

Marketplace reporter Steve Henn figures his typical family breakfast journeys 6,000 miles to his kitchen table -- a symptom of the growing global food trade. And the fossil-fuel cost of moving commodities across the planet keeps growing too.