Higher carbon dioxide in atmosphere robs grains of nutrition, research shows
May 8, 2014, 3:09 p.m. by Robin Shreeves
In the future, crops like wheat may have fewer nutrients if predictions about increased CO2 come true. The health consequences, especially for the poor, could be severe.
Earth is about to reach another terrible CO2 milestone
April 29, 2014, 12:42 p.m. by Russell McLendon
Last year, CO2 in Earth's air hit 400 ppm for the first time in human history. Now it's poised to average 400 ppm for a month.
Deserts don't just absorb carbon dioxide, they squirrel it away for safekeeping
April 8, 2014, 10:23 a.m. by John Platt
This surprising discovery won't be enough to stop climate change, but it will help, researchers say.
Dinosaur era had 5 times today's CO2
March 26, 2014, 9:50 a.m. by Katia Moskvitch, LiveScience
New research shows that volcanic activity during the Jurassic Period created huge amounts of the greenhouse gas.
Amazon rain forest breathes in more than it breathes out
March 21, 2014, 7:50 a.m. by Becky Oskin, LiveScience
Absorbing more carbon dioxide than they release, these vast forests can be credited with helping to lower levels of greenhouse gases in the atmosphere.
Plane, train or automobile: Which has the biggest footprint?
February 17, 2014, 12:18 p.m. by Jim Motavalli
Which form of travel gives off the fewest emissions? Let's just say it pays to carpool.
Global warming could drive world temperatures up 7 degrees by 2100
January 2, 2014, 10:34 a.m. by John Platt
As cloud cover decreases, global temperatures will rise, according to a new study.