news for March 29, 2012

[raw_news]

http://www.sciencedirect.com/science/article/pii/S0012821X12000659

http://www.forbes.com/sites/timworstall/2012/03/23/if-the-mwp-was-global-what-does-that-tell-us-about-climate-change-now/

--> The Medieval Warming Period was global, and not localized.