Would you wear a shirt if the label said it was made of shit? Chances are you’re currently wearing something made of cotton. Ever since the fifth millennium BC, people have used the natural fiber derived from the cotton plant in textile production, and it’s now an enormous industry. Currently, the plant is growing on about 2.5 percent of the world’s arable land to supply the world with 25 million tons it uses every year. That land use comes at a cost. First of all, cotton needs water to grow. The WWF estimated that around 10,000 liters of water are…

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