BBC: United Nations members have reached an agreement on how countries should tackle climate change. Delegates have approved a framework for setting national pledges to be submitted to a summit next year. Differences over the draft text caused the two-week talks in Lima, Peru, to overrun by two days. Environmental groups said the deal was an ineffectual compromise, but the EU said it was a step towards achieving a global climate deal next year in Paris. The talks proved difficult because of divisions...