He became head teacher as a result of his promotion at the National Center for Atmospheric Research on which he served from September 1992 to 1997 . Between these years he was a visiting professor at the Joint Research Centre in Ispra for the whole year in 1993 and from July 1994 to April 1998 worked at his alma mater again , this time as third scientist . Since that year he worked as a senior scientist at the Abdus Salams ' International Centre for Theoretical Physics in Trieste . From May 1998 till August 2005 he served as head of the Physics of Weather and Climate Group at the same place and from April 2002 till September 2008 was a vice-chair at the Intergovernmental Panel on Climate Change ( IPCC ) , an organisation that was a co-recipient of the 2007 Nobel Peace Prize . As of September 2005 he is a head of the Earth System Physics Section of the International Centre for Theoretical Physics
2007 Nobel Peace Prize
2007 Nobel Peace Prize
Filippo Giorgi