Washing Hands in Hot Water Wastes Energy, Study Says

The United States wastes energy equal to the fuel demand of Barbados on a practice with no proven health benefit: washing hands in hot water rather than cool, a study says.
It doesn’t kill germs better than cooler water, but turning tap temperatures high, the U.S. burns carbon equal to the emissions of Barbados.

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Washing Hands in Hot Water Wastes Energy, Study Says