80% carbon emission reduction – fantasy or fact?

Is an 80% reduction of greenhouse gas emissions by 2050 achievable? It is a brave and ambitious target set by Ed Miliband, the newly appointed champion of climate change for the government. I’m sure he has had his ears bent by his brother David, who as Environment Secretary, was fighting this corner. Not so his successor Hilary Benn, unfortunately.  Surely a target like this needs a...
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