Green

As part of Walmart's efforts to reduce its carbon footprint, the world's biggest retailer is sending senior employees out to farms, looking for ways to help U.S. farmers reduce their use of carbon-intensive fertilizers or improve logistics.

Disney is making the food at its theme parks more healthful, and in 2015, it will begin applying nutritional standards to the foods advertised on its networks. Is this good-nutrition shift altruism, or just smart marketing? CEO Robert A. Iger says it's both.

Fuel efficiency is on the mind of a lot of car shoppers these days, and automakers have responded with more vehicles that get 40 miles per gallon -- or better. But that great mileage may not be a great deal for your wallet.

Just how much do people hate Goldman Sachs? Here's a hint: The investment banker announced Thursday that it intends to invest $40 billion in developing clean, renewable energy projects. Critics immediately accused Goldman of cynical media manipulation.

Anyone who watched the adoption arc of CFLs can predict what will happen with LEDs: In a few years, they'll be popular, and everywhere. Harder to predict is how to invest in them. But we have a suggestion.

The widespread push on corporate social responsibility is about more than just good PR -- it's also about good business and taking care of customers. And it's a virtuous cycle that's paying off.

In 1992, when coffee prices plummeted and pesticides robbed Geraldo Calderon of his health, he had to change his farming methods. But it would be another 5 years before he learned that he was on the cutting edge of the organic farming movement.