UN Climate Change Conference in CopenhagenPolish Minister of Environment Maciej Nowicki delivers a speech during the opening of the United Nations Climate Change Conference 2009 , also known as COP 15 , at the Bella Center in Copenhagen Denmark on 07 December 2009 . Governments are set to seal an ' ambitious international climate change deal in Copenhagen ' during the UN Climate Change Conference from 07 through 18 December 2009 , the UN said in a statement citing the UN ' s top climate change official , Yvo de Boer as saying : ' Within two weeks from Monday [ 07 December 2009 ] , governments must give their adequate response to the urgent challenge on climate change . ' EPA / KELD NAVNTOFT DENMARK OUT < 뉴스 의 새 시대 , 연합뉴스 Live > < 연합뉴스 폰 > < 포토 매거진 >< 저작권자 ( c ) 연합뉴스 . 무단 전재 - 재배 포금 지 . >