Is wearable technology set to take over our wardrobes?

From Katy Perry’s LED-lit dress to smart soldier uniforms, Suzanne Bearne speaks to the small businesses innovating in smart fashion and wearable tech

Fashion meets renewable energy – clothes that charge your smartphone

From fibres that convert sunlight into electrical energy, to uploading your kinetic energy to a green energy bank, the worlds of fashion and technology are merging

• How can technology advance sustainability in fashion? – live online chat on Tuesday 5 August, 1pm BST