Climate change

NPR coverage

http://www.npr.org/2011/09/06/140206913/discovery-forces-scientists-to-r...

http://www.nature.com/nature/journal/v477/n7362/full/nature10415.html

Increased forest ecosystem carbon and nitrogen storage from nitrogen rich bedrock

Scott L. Morford, Benjamin Z. Houlton & Randy A. Dahlgren

Nature 477, 78–81 (01 September 2011) doi:10.1038/nature10415

http://www.sciencedirect.com/science/article/pii/S1360138511001051

http://www.sciencedirect.com/science/article/pii/S1360138511001051

http://www.bioone.org/toc/bisi/60/9

Here is the Abstract from this paper:
Human activities have increased greenhouse gas concentrations in the atmosphere. Research has demonstrated this increased concentration will affect our climate