UN chief welcomes Bush's climate change summit

Secretary-General Ban Ki-moon on Friday welcomed US President George W. Bush's realization of "the urgency" of addressing climate change, and expressed hope that the summit he is planning will reinforce international efforts to tackle global warming. Bush, under international pressure to take tough action against global warming, called Thursday for a summit of nations that spew most greenhouse gases on the planet, led by the United States, to set a long-term global strategy for reducing emissions.