Do Just One Thing
A simple way to save water and stay healthy is to wash your hands with cold water. The temperature of the water doesn’t really remove more germs; the most important thing is that you use enough soap and lather up. Simply wet your hands, turn off the faucet, and lather your hands for at least 20 seconds. Then rinse with cold water. Researchers at Vanderbilt University studied the impact of switching to cold water for hand-washing and found it would result in a significant reduction in greenhouse gas emissions, too.
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