blog post by Kai Olsen-Sawyer: Rain Counts: What's the Value of the Green Water Footprint?
Published on by Markus Pahlow, University of Canterbury - Senior Lecturer
blog post on grace by Kai Olsen-Sawyer
Rain Counts: What's the Value of the Green Water Footprint?
http://www.gracelinks.org/blog/4675/rain-counts-what-s-the-value-of-the-green-water-footprint