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Sustainable materials: with both eyes open

One third of the world's carbon emissions are emitted by industry. The world's demand for materials is growing and likely to double by 2050. Industrial emissions will also double unless we do something differently. Dr Julian Allwood from the University of Cambridge will demonstrate how new 'material efficiency' options - the result of a 5-year project involving 20 industrial partners - can be applied and sets out an agenda for making a big difference to global emissions.