Looking ahead to the United Nations climate change conference beginning in Cancún next week, a senior official with the world body said that talks could yield real results but was cautious to keep expectations realistic. Assistant Secretary-General for Policy Planning Robert Orr told journalists at UN Headquarters in New York that he did not expect the conference of parties to the UN Framework Convention on Climate Change (UNFCCC) to deliver a 'final answer' on solving climate change but remained positive about the possibilities.