evidence: Fashion is the third-largest manufacturing industry in the world and, by some calculations, it produces up to 10% of the world's emissions. And fast fashion is a major contributor to greenhouse gases, water and air pollution, creating problematic levels of waste. [...] - Fashion contributes up to 10% of global carbon emissions - It accounts for 20% of global wastewater - Fashion uses more energy than aviation and shipping combined - About 70 million barrels of oil a year are used to make polyester fibres - A polyester shirt has double the carbon footprint compared to one made from cotton - Polyester takes hundreds of years to decompose