Bert Metz has vast experience in the field of climate change policy. He served as the co-ordinator of climate policy at the Netherlands Ministry of Housing, Spatial Planning and Environment and chief negotiator for the Netherlands and the European Union in the international climate change negotiations from 1992 1998. He was elected co-chairman of the UN Intergovernmental Panel on Climate Change (IPCC) working group on climate change mitigation for the IPCC Third Assessment Report (1997 2002) and re-elected for the Fourth Assessment report (2002 2008; in which period the IPCC received the 2007