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"Presidents, prime ministers and ministers flying into New York City [last Tuesday] for a one-day United Nations summit on climate change had their work cut out for them. And this is why. As the graph above shows, despite everything they have done so far, we are on a clear course to extreme global warming.
"Since the ignominious 2009 United Nations Climate Change Conference in Copenhagen, Denmark, over a hundred nations have pledged action on emissions. The world has seen a major shift away from coal in favour of gas, which emits fewer greenhouse gases. Solar panels have become much, much cheaper and are being deployed in regions around the world, as are other renewable sources of energy. But the latest number-crunching – published on Sunday in Nature Climate Change – showed that none of this is enough.
" 'Our study shows no progress in curbing global carbon emissions,' says Corinne Le Quéré at the University of East Anglia in the UK. Global carbon emissions from fossil fuel burning and cement production grew 2.3 per cent in 2013. They are expected to increase a further 2.5 per cent this year. 'And they are projected to be around that for the next five years,' says Le Quéré. 'There is no progress in spite of all the talk'."
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