A new study shows that the invasive species has spread not from its original home in South America but from its beachhead in the southeastern U.S., David Biello reports

The thawing of a thin layer of frozen Arctic soils will exacerbate global warming. David Biello reports

Harnessing Earth's heat to make electricity is an underrated renewable resource. David Biello reports

Why is HSBC teaching its employees about global warming? David Biello reports

The background music in stores and shopping malls designed to spur sales also spur emissions of greenhouse gases. David Biello reports

Forget CO2, the toxic aftermath of coal burning might be responsible for the worst mass extinction event the world has ever known. David Biello reports

Banding penguins to track them is bad for their health, a new study reports. David Biello investigates

It's not just driving our cars that harms the environment, parking them also poses a problem. David Biello reports

What's worse than a hangover? The environmental impact of your drinking and mine. David Biello reports

What were the biggest environmental stories in 2010? David Biello reports