The simple act of turning a shirt from white to blue—or any color—requires 25 liters of water and enough harmful chemicals that every clothing manufacturer should be looking for safer methods. Like this fantastic CO2-based DryDye technology that Adidas has started using which doesn’t require a single drop of H2O. But it’s not like the color dyes are blasted at the shirts with a pressurized CO2 canister—although that would be pretty awesome. In reality, the fabrics and chemical dyes are placed in a large sealed chamber, and CO2 is pumped in to a pressure of about 74 bar. Read the full story at Gizmodo.