Photo credit: VinothChandar/Creative CommonsLong after the political uprisings in the Middle East have subsided, many underlying challenges that are not now in the news will remain. Prominent among these are rapid population growth, spreading water shortages, and ever growing food insecurity.In some countries, grain production is now falling as aquifers are depleted. After the Ar...Read the full story on TreeHugger
Source: TreeHugger