Blue and Green: One third of the worlds corn is grown in highly water-stressed regions, raising questions over the sustainability of global food supply, experts have warned.
According to a statement released on Wednesday by the World Resources Institute, competition for water is tight in agricultural areas across each of the top six corn producing nations the US, China, Brazil, Mexico, Argentina and India.
Corn is a vital crop. It is one of the worlds largest sources of food calories, and also feeds livestock....