The EU and other concerned parties are now gathered in Durban in order to try to reach an agreement governing emission reductions after 2012, when the first commitment period of the Kyoto Protocol expires. The EU has been a leading actor in the climate negotiations since the 1992 Rio conference. However, against the background of the current stalemate in the negotiations, it remains to be seen whether the union can demonstrate a more proactive leadership with the aim of establishing a comprehensive climate treaty.