Copenhagen summit

With two days left to secure a deal at the Copenhagen climate conference, the US attempts to break the deadlock by publicly backing a proposal that developed countries should provide poorer nations with $100bn per year by 2020 to fight climate change More podcasts

Ed Crooks, energy editor, discusses the possibility that the climate talks will break down before a deal can be reached

Ed Crooks, energy editor, on the likely reactions to the UN secretary-general's comments at the Copenhagen climate conference

Andrew Ward, Nordic bureau chief, on the escalating tensions between rich countries and the developing world over how a deal should be structured. Read more at Copenhagen climate conference in depth

Fiona Harvey, environment correspondent, summarises the latest discussions at the Copenhagen climate conference