Tag Archives: gray water

Coffee’s Water Footprint Needs to Be Revised

The Measure of Coffee’s Water Footprint Needs to Be Revised This 2003 study on coffee’s water footprint reported that it requires 140 liters of water to produce one cup of coffee. This metric is quoted so frequently (including by this blog) that it’s almost assumed to be a fact. However, the study needs a critical review because it is […]