Carbon Dioxide

Supercomputer simulations by University of Washington researchers outline the potential risks and benefits of geoengineering, specifically the release of volcanic aerosols into the atmosphere.

Human activity emits a year's worth of volcano carbon dioxide in less than a week.

Australian officials are hoping to curb carbon emissions by killing off feral camels in the outback, but a U.S. researcher says that cows are the more pressing carbon emitters.

The discovery could lead to next generation mosquito repellents and traps, helping to limit the spread of deadly diseases like malaria.

In spite of their green image, biodegradable products may contribute to global warming.

Icebergs, carrying iron, cause life to bloom near Antarctica, a study indicates.

Scientists set out to discover how icebergs affect life in the ocean around Antarctica.

A lawsuit demands the federal government address carbon dioxide emissions.

Here's a theory why life took so long to recover from a mass extinction 250 million years ago.

Volcanoes on ocean floor don't just ooze out lava.

The line-shaped clouds that form behind airplanes contribute to global warming.

Man-made clouds streak across the sky.

Bug release fewer greenhouse gases than pigs and cattle, the protein sources we favor.

Evidence is mounting that vines are becoming more abundant in tropical forests of the Americas, raising the possibility of major ecosystem change.

Drought worse than the a 'once-in-a-century' event.

If carbon dioxide emissions don't stop until 2100, the world could see dramatic effects in the Southern Hemisphere, a climate model predicts.

A new treatment for the feeling of suffocation that accompanies a panic attack focuses on getting patients to breathe less.