Page last updated at 10:37 GMT, Sunday, 6 December 2009
Obama's Copenhagen 'moral issue'
US Ambassador Luis Susman says that President Barack Obama is committed to tackling climate change at the summit in Copenhagen.
His Excellency, speaking on The Andrew Marr Show, added that the US had been encouraged by talks with Brazil, India and China, and that the University of East Anglia e-mail row had received "no pick-up" in the US.
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