Independent (UK): The way world leaders negotiate climate change needs to be reformed, Gordon Brown said last night in the wake of the UN’s Copenhagen Climate Conference, where the failure to produce a strong agreement to tackle global warming has disappointed millions around the world. The unbreakable deadlock that “threatened to pull down the talks” must not be allowed to happen again, the Prime Minister said in a podcast on the Downing Street website — he added that there must be reform of the …