In Depth | 22 May 2013
The role of soot in melting polar ice is believed to be greater than previously thought. One adventurer has taken to an ultralight plane to find out. Read more...
Under the Radar | 4 March 2013
Get this climate techno-fix right, and the effect is dramatic, Get it wrong, though, and you make the problem worse. So how do you get this to work as planned?
Power of Nature | 6 February 2013
Why the vast North African desert has a critical role in supporting life all around the planet. Read more...
27 December 2012
Some of the year's best weather pics, including shots from the long US drought and Hurricane Sandy. Read more...
