From an older edition of the Economist: “The International Energy Agency, a think-tank, estimates that 13.5% of the world’s primary energy supply was produced from renewable sources in 2013. That sounds like a decent slice, but almost three-quarters of this renewable energy came from what are euphemistically known as “biofuels”. This mostly means burning wood, dung and charcoal in poor countries. Hydro-electric power, which has fallen from favour in the West because of its often ruinous effect on river ecosystems, was the world’s second most important source of renewable energy. Nuclear power, which is green but not renewable, supplied 5% of energy needs, and falling. Wind turbines, solar farms, tidal barriers, geothermal power stations and the like produced just 1.3% between them.”
Now, renewables have been growing strongly, but it is clear that they have a long way to go before they replace oil and natural gas.
What that…
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Utopia, you are standing in it! 
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