Reuters: A general view of the surrounding cityscape from the top of the Ostankino television tower in Moscow February 7, 2012. Reuters/Anton Golubev left1 of 2right A plane flies in the polluted air above the airport fences in Beijing February 22, 2012. Reuters/Petar Kujundzic left2 of 2right Russia set itself at odds with a drive by China and the United States for rapid ratification of a global agreement to slow climate change when a senior official said on Wednesday that Moscow first wanted a clear set...