No room for a plan B

The UK Prime Minister says that the world faces a "catastrophe" of floods, droughts and killer Heat waves if leaders fail to agree a deal on climate change. Gordon Brown said negotiators had 50 days to save the world from global warming and break the "impasse". He told the Major Economies Forum in London, which brings together 17 of the world’s biggest greenhouse gas emitting Countries, there was "no plan B".