Sergio Barbosa Serra, the Ambassador and Special Representative for climate change negotiations from the Ministry of External Relations in Brazil talks about the negotiations process, the talks about the role of sustainable forestry, and the Bali Action Plan, saying that a casual observer should be “discouraged” by the process and he explains why he remains optimistic. Also see Sergio Barbosa Serra speaking from Copenhagen, Bangkok in 2009, and Bonn in June 2009 and April 2009