President Enrique Peña Nieto said Mexico plans to invest 415 billion pesos ($31.9 billion) in water infrastructure between 2014 and 2018 to guarantee all Mexicans have access to that vital resource. Speaking at the conclusion of a meeting of the World Water Council's Board of Governors, Peña Nieto said Mexico is aware of the water challenges at the global and national level. "Today, 35 million Mexicans have limited water access," the president sa…