Press Association: Energy Secretary Ed Miliband has pledged to “throw everything” at securing a global climate change deal as leading nations gathered in London for talks. Representatives of 17 countries are in the UK for the Major Economies Forum with just 50 days to go until a crunch UN-sponsored summit in Copenhagen. Mr Miliband said the talks provided a vital forum to narrow the gaps between nations and avoid a catastrophic failure to cement a fresh agreement in December. “Today is the …