
A single cotton T-shirt requires approximately 2,700 litres of water to produce, the equivalent of one person’s drinking water for two and a half years, and the global fashion industry now consumes approximately 79 billion cubic metres of fresh water annually, much of it drawn from regions already facing severe drought.
The 2,700-litre figure comes from the World Wildlife Fund's accounting of the full water footprint of a single cotton garment, including the irrigation…



