BBC: US President Barack Obama said the deal would be a foundation for global action but there was "much further to go". He said the US, China, Brazil, India and South Africa had "agreed to set a mitigation target to limit warming to no more than 2C and, importantly, to take action to meet this objective". As details emerged of the agreement, Mr Brown said there had been progress, although he added that "it is not enough" and he wants "to go further quickly". Mr Brown said: …