The UK government has been warned that it will fall short of its 2020 renewable-source energy targets. At current rates of progress, the UK will only have built 25% of the offshore wind farms that it needs to reach the target of having 15% of energy produced from renewable sources.

The Carbon Trust, an independent think-tank, says that cost reductions, re-assessment of investor and developer risk, and speeding up the approval process could cut around £16 billion ($28 billion) from the cost of building such wind farms.

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