Coal, having quietly kept its head down for some time, has returned coughing and dusty to the limelight, shoved on-stage by one of its most intensive users, Poland. The country, 90 per cent of whose electricity is generated by coal, played host to the World Coal Association's International Coal & Climate Summit, trailed as bringing together the great and the good 'to discuss the role of coal in the global economy, in the context of the climate change agenda'. They meant 'in the context' rather literally: the summit took place during the 19th Conference of the UN Framework Convention on Climate Change, also hosted by Warsaw.
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