Touch the Soil News #1075 (Feature photo – Earth’s Water – public domain)
While the move towards controlled environment agriculture boasts that it uses 90 percent less water than conventional agriculture there is one thing to keep in mind. Highly efficient hydroponic farming is suited best for lettuces and greens. The bulk of the world’s calories come from other things like potatoes, fruits, nuts, grains, rice, soybeans, corn and meat animals that are not easy (or possible) to convert to extremely low water use.
Recently, Agritecture published an ominous article on agricultural water consumption that far exceeds recharge. You can read the full article here: http://www.agri-tecture.com/
The question one must ask, is if there is some responsibility on the part of humanity to find a balance in its numbers to fit the limited resources of the planet they find themselves on?