We are beginning to think about how much “virtual” water we export and how to reduce that greatly.
PNAS-article on The Water Footprint of Humanity
Feb 13 – Water used by the agricultural sector accounts for nearly 92% of annual global freshwater consumption, according to a study that quantifies and maps humanity's water footprint. The article appears today in the Proceedings of the National Academy of Sciences (USA). The water footprint (WF) is measure of the total volume of freshwater used to produce goods and services.
See Also:
Global challenges: Policies: Water
