Tag Archives: Green 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 […]

Green Water, in Practice

A few years ago, I asked a farmer in the “dry corridor” of eastern El Salvador what he would do to improve water management if he were the donor funding our project. He pointed up at the hills and said, “During the wet season, there are torrents of rain that come down this mountain. The vast […]

Greenwater and Bluewater

2015-05-07 Comments

Blue Water and Green Water This post builds on a recent post called “We all drink downstream”. Over the past decade, a lot of water terms have been introduced to policy debates and popular media: water foot printing, virtual water, and the concepts of blue water, green water, and grey water. These concepts are important […]