(...) Australia won applause at the start of UN-led climate change talks in Bali on Monday by agreeing to ratify the Kyoto protocol, isolating the US as the only developed nation outside the pact.
Soon after an Australian delegate promised immediate action on Kyoto, the new prime minister in Canberra, Kevin Rudd, took the oath of office and signed the ratification documents, ending his country's long-held opposition to the global climate agreement (...)
this took place in the framework of the bali climate conference (3 - 14 december 2007). the guardian offers extensive reporting on the meeting.