Prague -- The UN has confirmed to the Czech Republic the successful ratification of the Kyoto Protocol, the aim of which is to ensure the reduction of the so-called greenhouse gases, Environment Minister Milos Kuzvart told the participants in a UN conference on climatic changes in the Moroccan city of Marrakech yesterday. The Czech Republic is the first country of the Visegrad group to have completed the ratification process. The Kyoto Protocol, which was signed four years ago, provides for a 5.2% reduction in the emission of polluting gases by industrial states in 2008-2012, compared with the 1990 level.