Xinhua: The latest round of UN climate talks began Thursday in Accra, Ghana, in a bid to overcome disagreements over the tools that countries can use to cut greenhouse gas emissions and accelerate progress towards a new climate treaty by the end of 2009. According to UN framework convention on climate change official website on Saturday, an official statement said "There is little time left to get a solid negotiating text on the table. Clearly the clock is ticking," Yvo de Boer, head of the …