Independent: Global greenhouse gas emissions over the past decade were the "highest in human history", according to the world's leading scientific body for the assessment of climate change. Without further action, temperatures will increase by about 4 to 5C, compared with pre-industrial levels, it warns, a level that could reap devastating effects on the planet. The stark findings are to be revealed in the latest report by the Intergovernmental Panel on Climate Change (IPCC) today, the last in a trilogy written...