Reuters: Humanity faces a profound emergency and unless we combine to take decisive action, climate change will ravage our planet, a joint editorial published in newspapers in 45 countries said on Monday. The 56 newspapers said they were taking the unprecedented step of speaking with one voice to implore world leaders to "make the right choice" at U.N. climate talks in Copenhagen. "The politicians in Copenhagen have the power to shape history’s judgment on this generation: one that saw …