A former science adviser to British Prime Minister Margaret Thatcher says the real purpose of the United Nations Climate Change Conference in Copenhagen on Dec. 7-18 is to use global warming hype as a pretext to lay the foundation for a one-world government. "At [the 2009 United Nations Climate Change Conference in] Copenhagen this December, weeks away, a treaty will be signed," Monkton told a Minnesota Free Market Institute audience on Thursday at Bethel University in St.