public marks

PUBLIC MARKS from fotos with tags global & climate

13 April 2007

24 March 2007

26 February 2007

Climate change sceptics lose vital argument - earth - 29 November 2006 - New Scientist

Moreover, the cooling that resulted was confined mainly to the northern hemisphere, says Lynch-Stieglitz - which indicates it was a regional effect. Michael Mann at Pennsylvania State University in University Park, who constructed the hockey stick graph,

Research support hypothesis about abrupt climate change

Both hemispheres warming and cooling at the same time would imply global changes caused by rising levels of greenhouse gases. But one hemisphere cooling while the other warmed would suggest simple heat transfer, accomplished