...we grow enough to give each person 3,500 calories a day, more than most people need, depending on how active they are. Even many developing nations produce more than enough food for their people. Yet, three-quarters of the youngest (0-5 years) victims of hunger live in countries with food surpluses.World Bank’s 2007 World Development Indicators (pdf)
Globally, there is more than enough water for domestic purposes, for agriculture, and for industry. But access to water is very uneven across and within countries. Poor people have limited access, not so much because of physical water scarcity, but because of their lack of purchasing power and because of inappropriate policies that limit their access to infrastructure.