Spiegel: A climate protection treaty meant to succeed Kyoto will be negotiated at a summit in Copenhagen this December. But the UN says it’s having serious trouble preparing for the event — because the body has outgrown the office space provided to its Bonn headquarters by the German government. It’s unlikely Wilhelm Adolf von Carstenjen ever could have imagined his palace might one day be the place where plans were hatched to save the Earth’s climate. At the end of the 19th century …