Carbon Dioxide

Spam e-mails require energy that spews carbon dioxide into the atmosphere.

Production of bioethanol uses up more water than previously though.

A cosmetic surgery technique called laser resurfacing is soaring in popularity.

A gas used to fumigate for pests lasts longer in atmosphere than thought.

Geologists map rocks that could be ideal for storing excess carbon dioxide.

Study shows ocean acidification is affecting shell-building marine animals.

Scientists discover thriving microbe community atop Andean volcano.

Bottom-feeding aquatic animals found to emit nitrous oxide, a greenhouse gas.

Diamonds may be forever, but that's not true of most minerals.

As the ocean warms, areas of the ocean will become depleted in oxygen, threatening marine life.

Future rises in carbon dioxide will lead to irreversible changes to Earth's climate.

Monitoring of forest plots finds western tree death rates have doubled, likely due to regional warming.

Controversial calculation disputed by the search engine giant.

Rising carbon dioxide levels and expanding ocean minimum zone in ocean could force squids out of habitat.

Leaders need an emergency backup plan if cuts in greenhouse gas emissions don't work.

Bulk of wine's carbon footprint comes through transportation methods.

Greenhouse gas more powerful than carbon dioxide is more prevalent in atmosphere than thought.

Typhoon rains create runoff of carbon-rich sediment to ocean where carbon can be buried.

Warming ocean waters increase Arctic storminess, speed sea ice movement, possibly impact climate.