Food production is strongly water-limited in many regions, reflecting the fact that under dry conditions the amount of water in the soil is not sufficient to sustain optimal plant growth. This paper provides a geographically explicit quantification of a) the current (1971-2000 average) blue and...

Water shortage is one of the major environmental challenges in emerging Asian economies such as India and the People's Republic of China (PRC), presenting significant threats to livelihood and food security in coming decades. The growing population, increasing demand for food, rapid...