Low-carbon technologies will get cheaper when they are adopted, according to an expert in the field.
Paul Elkins, professor of energy and environment policy at King's College London, said that opponents might object to the high costs of technology now but that optimists saw the initial costs as an investment.
He told delegates at the Royal Society's Towards a Low Carbon Energy Future meeting that the cost of the technology would drop as it was more widely used.
"The optimists say that the costs are really investments which can contribute to GDP growth and there are a number of low cost low-carbon technologies which are nearly available, the learning curve experience suggests that the cost of new technologies will fall dramatically once they start to be implemented and climate change policies can spur innovation, new industries, exports and growth," he said.
Professor Elkin's comments follow the publication of a report by the committee on climate change which suggests that making homes more energy efficient could cut residential emissions by 30 per cent.
Measures such as insulation, double glazing and draught proofing will help meet carbon dioxide reduction targets while also helping households reduce their energy bills.
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