Mitigation, adaptation and geo-engineering -- Setting the stage : defining the climate problem (until 1990) -- Institutionalizing key issues: the framework convention on climate change (1991-1996) -- Progress despite challenges : towards the kyoto protocol and beyond (1997-2001) -- The regime under challenge: leadership competition sets in (2001-2007) -- Enlarging the negotiating piee -- Countries, coalitions, other actors and negotiation challenges -- Litigation and human rights -- Climate governance : a steep learning curve!.