These latest figures come amidst climate talks in Doha, but with emissions continuing to grow, it's as if no-one is listening to the scientific community," said Corinne Le Quere, director of the Tyndall Centre for Climate Change Research at the University of East Anglia.
The letter also reveals Napoleon's frustration at the campaign, with his army ravaged by disease, cold and hunger: "My cavalry is in tatters, a lot of horses are dying. Make sure we buy more as soon as possible."
It's not just an indicator or two it's really across the board tweaking up slightly, and I think that is good news for pretty much everybody," said David Carbon, chief economist at DBS Bank in Singapore.
The world is watching. The use of chemical weapons is and would be totally unacceptable," said Mr Obama in a speech at the National Defense University in Washington.
Two security staff at the hall and a press photographer were also injured. Separately, trouble broke out on the Lower Newtownards Road in east Belfast.
The Press Association (PA) also said that one of its photographers had sustained a head injury after getting caught up in the violence at the city hall.
At Stansted and Luton airports terminals remained open but passengers were advised to check with their airlines before travelling and to allow extra time to get to the airports.