Three bright ideas that could fix fashion's environmental problems

3D weaving technology, AI-designed fibres and leather made from waste fish scales are among the sustainable fashion innovations on display at an exhibition in London.

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There are so many ways the fashion industry is harming the planet. Pesticides used to grow crops to make natural fabrics like cotton are reducing biodiversity. Toxic dyes pollute waterways. Fossil fuels are used to make synthetic fibres, often woven into cheap clothes bought by the armful and worn just a few times before they are discarded. This kind…