The 2013 Rana Plaza factory collapse sparked a call for change in the global fashion industry. But 10 years on, more than 100 billion clothes a year are made – mostly from oil turned into polyester – by people working in dangerous conditions. This is fast fashion's impact on people and the planet.

The global clothing trade is a mess of human misery and pollution. But what’s the alternative? Here’s how to leave fast fashion behind and build a more sustainable wardrobe.