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Lecture Notes

During the life-cycle of a pair of Levi's 501 jeans, we see the major source of greenhouse gas production, that likely impacts climate change, occurs as the product is being used. The majority of this is used when washing and drying the jeans. For example, more greenhouse gases are produced if the product is washed in warm versus cold water, if it's dried in a dryer versus hung on a clothes line for drying, or if the jeans are washed after every wearing or after three or four wearings .