miercuri, 31 martie 2010

Ice Sheet Melt Identified as Trigger of 'Big Freeze'

- ScienceDaily (Mar. 31, 2010) — The main cause of a rapid global cooling period, known as the Big Freeze or Younger Dryas -- which occurred nearly 13,000 years ago -- has been identified thanks to the help of an academic at the University of Sheffield. Full story:

* Pentagon/NASA: Global Warming/Global Cooling: