Construction is one of the top three sectors of the UK economy. It is responsible for 8% of GDP and 10% of both UK employment and greenhouse gas emissions. Construction materials are by far the largest material resource flow globally. In the UK, construction materials are used at a rate of more than half a million tonnes per day, and they comprise more than 60% of the UK waste generation. Meanwhile, new infrastructure, as a proportion of total new construction, has doubled over the past 20 years, and the National Infrastructure & Construction Pipeline projects up to £650 billion investment in infrastructure...