Greenhouse

A striking new video from NASA reveals how the greenhouse gas carbon dioxide spreads across Earth in a single year.

So much methane is leaking from drilling in the Southwest's Four Corners region that the natural gas blob can be spotted from space, a new study reports.

Concentrations of carbon dioxide, a greenhouse gas, will surge to a new high in the atmosphere in 2014.

Ants may be some of Earth's most powerful biological climate brokers, a provocative new study claims.

Eating a burger takes a big toll on the environment, reports one of the most comprehensive studies to date on livestock management in the United States.

A new snapshot of U.S. methane emissions in 2004 found 40 percent higher methane levels from livestock than had been estimated by the Environmental Protection Agency.

Obama aims to slash CO2 pollution from the electric power sector by 30 percent below 2005 levels by 2030.

Levels of carbon dioxide in Earth's atmosphere this year have already surpassed a troublesome record set in May 2013.