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Using NASA satellite photos of Earth, we can calculate that the world supports roughly 61 trees per person. But are we using up our allotments? An ecology professor and her students look at how we burn through wood-based resources.

Thousands of residents were displaced as firefighters scouted the mountainsides around a village looking for opportunities to slow a wildfire that burned at least 150 homes and other structures.

After a long hiatus, the restless singer-song writer collaborates on a ballet, launches an art exhibit and releases a new album.

Students and families face stiff challenges as more banks withdraw from the private student-loan business. Bill Spiers, director of Financial Aid at Tallahassee Community College in Florida, outlines ways that schools are trying to adjust.

A few years ago, there was a rush to buy property in sun-drenched Lee County, Fla. Bidding wars were common for homes that hadn't even been built yet. But those days are over, and the market now is clogged with thousands of unsold homes. The decline is so extreme that people are looking for ways to walk away from their properties.

A study conducted in Indiana concluded that Daylight Saving Time uses more energy than it conserves. Matthew Kotchen, an economics professor who worked on the study, talks with Melissa Block about what researchers learned.

Thousands of Etsy sellers closed their online shops for a week starting Monday in an attempt to get the company to address several complaints they have about the site.

Real estate agents — average age 51, with the majority female — are facing career decisions in the current housing crisis. Three agents are profiled: One veteran is trying to ride out the slump, while two others are looking for new jobs now that the boom has gone bust.

Adam Nelson has two silver Olympic medals under his belt, but not a gold. The U.S. track and field athlete is gearing up for Beijing this summer in hopes of taking home the ultimate prize.

The government is taking bold steps to rescue troubled Citigroup. The plan unveiled late Sunday night includes taking a $20 billion stake in the firm whose stock has been hurt by worries about its financial health. The cash infusion follows an earlier $25 billion that the government gave Citigroup.