Agence France-Presse: European leaders met Thursday to discuss billions of dollars of aid for developing countries to battle global warming in a bid to increase pressure for a deal at the UN climate summit. Europe has sought to establish itself at the forefront of the climate campaign and a summit of EU leaders was expected to produce a promise of six billion euros (nine billion dollars) to help poorer nations between 2010-2012. Britain has offered 800 million pounds (885 million euros) while …