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"The drive to clean up the world's energy system has stalled."
That was the damning verdict from Maria van der Hoeven, the executive director at the International energy Agency (IEA).
Hoeven added: “Despite much talk by world leaders, and despite a boom in renewable energy over the last decade, the average unit of energy produced today is basically as dirty as it was 20 years ago.”
For the 28 countries that make up the IEA membership – including the UK – the Energy Sector Carbon Intensity Index (ESCII), which shows how much carbon dioxide is emitted to produce a unit of energy, stood at 2.39 tonnes of CO2 per tonne of oil equivalent (tCO2/toe) in 1990.
By 2010, this had fallen to only 2.37 tCO2/toe.
However, the IEA report did show that from 2011 to 2012, photovoltaic and wind technologies grew by 42 per cent and 19 per cent respectively.
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