Based on research presented in the book “Water Productivity in Agriculture : Limits and Opportunities for Improvement” by J.W. Kijne, R. Barker and D. Molden. If current trends continue, the water crisis—which is already beginning to rear its head in many countries through depleted groundwater aquifers, dried-up rivers and wetlands, and frequent water shortages—will indeed become a global problem. A recent study by the International Food Policy Research Institute (IFPRI) and the International Water Management Institute (IWMI) projects that if present trends continue, by 2025 competition from growing cities and industry worldwide will limit the amount of water available for irrigation, causing annual global losses of 350 million metric tons of food... |