Sydney Morning Herald: IN A move that will test the Rudd Government’s climate credentials, Australia’s leading climate scientists have written an open letter to the Prime Minister urging him to impose deep cuts to greenhouse gas emissions and back a tough global agreement that will avoid dangerous climate change. The 16 scientists, who all worked with the United Nations’ Intergovernmental Panel on Climate Change, warn “there is no time to lose” and call on Mr Rudd to slash Australia’s emissions by at least …