If you want to save a ton of water and energy, do this one thing: Wear your jeans more than once before washing them. Some of the most laundered items at home are denim jeans, and while they can be soft and cozy, they also can be heavy and bulky in the washing machine. The United Nations Environment Programme actually came out with a study that said if you wear your jeans at least three times before washing them, you can save five times the energy from your washer and dryer use. Add using only cold water and skipping the drying cycle, and you'll see a significant savings over time.
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