A high-seas mission departs from San Francisco next month to map and explore a sinister and shifting 21st-century continent: one twice the size of Texas and created from six million tonnes of discarded plastic.

The air that most Americans breathe may not be as clean as they think -- depending on where they live, at least.

The Great Pacific Garbage Patch is twice the size of France. Can anything be done about it?

Every biological organism has a pressing need to consume in order to stay alive, but conservation laws require a balanced equation: Consumption will result in waste.

Maintaining a healthy body weight is good news for the environment, according to a study which appears in the International Journal of Epidemiology.

It seems CFCs and other ozone-depleting chemicals have temporarily given the South Pole respite from global warming.

What can green fashion become? Three firms demonstrate, with actions that speak louder than labels.

New satellite tracking gives a much more accurate read on global air pollution.

An estimated 2,500 U.S. churches from every major Christian denomination are using fair-trade palm fronds for the annual celebration.

Cows break wind a lot, and their flatulence fills the air with methane, a potent greenhouse gas. What to do?