Insulate Britain has been blocking roads for the last few months in an attempt to force the government into sealing the UK's leaking, drafty housing stock. Why are eco-activists being confronted by angry drivers and even at risk of injury for their insulation efforts? Shivani Dave talks to Matthew Taylor, environment correspondent, about Insulate Britain's demands. He also discusses with Dr James Milner the potential health benefits of properly insulated homes.
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