Small-scale low-tech energy efficiency solutions could complement the big scale projects which are combating climate change, according to Sir David King.
The former scientific advisor to the UK government said that while the government was taking a lead on climate change, it could do more.
Writing in the Telegraph, he noted that installing cavity wall insulation in the uninsulated housing stock could save enough energy to heat one million homes a year.
He cited this as an example of the simple small-scale community-based solutions which the government should encourage.
"If we are serious about tackling climate change we need to utilise the full range of solutions. The government has overlooked one of its most valuable resources in the fight against climate change: communities," he added.
The Energy Saving Trust has said that insulation is among the best ways of making a home energy efficient and noted that installing loft insulation 270 millimetres thick could save a household £155 in annual energy bills.
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