Yvo de Boer, executive secretary of the U.N.'s climate body, addresses the media during a news conference at the United Nations Climate Change Conference in the United Nations offices in Gigiri, in Kenya's capital Nairobi, November 17, 2006. De Boer said on Friday that U.N. climate talks in Nairobi have delayed a decision on whether to include carbon capture and storage under a Kyoto carbon trading framework called the Clean Development Mechanism. REUTERS/Antony Njuguna (KENYA)