Sunlit permafrost unleashes carbon at faster pace
February 11, 2013, 4:16 p.m. by Douglas Main, OurAmazingPlanet
UV rays break carbon and stimulate bacteria that turns the carbon into carbon dioxide.
Airpocalypse: Beijing faces life-threatening air pollution levels
January 18, 2013, 10:40 a.m. by John Platt
In addition, a new study concludes that soot has a much bigger impact on global warming, second only to carbon dioxide.
Greenhouse gases hit record high in 2011
November 20, 2012, 1:36 p.m. by LiveScience
The UN estimates that about 413 billion tons of carbon have been released into the atmosphere since 1750.
Your virtual carbon footprint may be bigger than you think
November 12, 2012, 6:02 p.m. by Clint Williams
Sure, you live in the cloud, but are you really living a greener life?
Even space debris affected by global warming
November 12, 2012, 9:35 a.m. by Charles Q. Choi, SPACE.com
Carbon dioxide actually has a cooling effect in the highest reaches of the atmosphere, creating less drag on space junk.
Global greenhouse emissions continue to rise
July 20, 2012, 1:49 p.m. by Wynne Parry, LiveScience
2011's increase to 37.5 billion tons of CO2 was driven by China and India, which saw their carbon dioxide emissions jump by 9 and 6 percent, respectively.
Carbon dioxide linked to end of last ice age
April 4, 2012, 1:33 p.m. by Wynne Parry, LiveScience
Scientists looked at evidence of ancient temperatures from around the world to determine out what role carbon dioxide played during the last ice age.
Greener speed: Bombing hills on grown up Big Wheels
January 1, 2012, 7:04 p.m. by Shea Gunther
Check out the video of grown-ups bombing down grown-up hills on grown up-Big Wheels that's anything but grown up.
Mongol invasion in 1200s altered carbon dioxide levels
February 8, 2011, 2:59 p.m. by Livescience.com Inc.
Tension between agricultural development and wars and diseases influenced the carbon footprint for centuries.