A due to the lack of water in the previous two decades, the world has faced some volatility in food prices and a sharp economic downturn.
B the demand for water has been surpassed by the population growth.
C by handing over the administration of water security to businesses and NGOs, the problem will be easier solved.
D people's different income levels don't impact on their awareness of the water problems.
E the text highlighted men's health as the major concern linked to the water problem.