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The fashion industry is hugely polluting, contributing around 10% of global greenhouse gas emissions - and research shows three in five garments end in landfill or incinerators within a year.

So what can top fashion bosses do to reduce their brand's environmental harm?

5 Live's Emma Barnett spoke to Giorgina Waltier, H&M UK's sustainability manager to find out.

H&M is the second-largest garment company in the world, producing approximately 3 billion items per year to sell across its 4,800 stores.