OSLO, Dec 7 (Reuters) - Nobel Peace Prize winner Al Gore urged governments on Friday to advance by two years a new treaty to curb greenhouse gas emissions instead of waiting until the Kyoto pact expires in 2012.

Government ministers are meeting at a U.N. conference on Bali, Indonesia, to try to launch talks on a successor to the Kyoto pact to be concluded by 2009, which would allow three years for ratification before the existing pact expires.

"I hope they will move the effective date of the new treaty forward by two years so that we don't wait until 2012 to have a much tougher treaty in place," former U.S. Vice-President Gore said on arriving in Oslo where he will collect the Nobel prize on Monday.

Gore and the U.N. Intergovernmental Panel on Climate Change were jointly awarded the 2007 peace prize for their work to raise awareness and further scientific knowledge of climate change. (Reporting by John Acher and Aasa Christine Stolz; editing by Andrew Dobbie)

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