Green

Governments often try to influence their citizens' behavior through "sin taxes" on items like alcohol and tobacco. Now, to fight against the "sin" of causing global climate change, the idea of a carbon tax is again being floated. But could you end up paying the price?

Republican lawmakers are alleging that the EPA's new greenhouse gas regulations would kill the U.S. coal industry by making it too expensive to build new coal-fueled power plants. But even if that's true, how will it impact you?

Federal investigators say Canadian company Enbridge's neglect of cracks in one of its oil pipelines and its slow response to a 2010 rupture in southwestern Michigan caused the most expensive onshore spill in U.S. history.

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.