The 2012 Global Hunger Index document summarizes key findings about global hunger levels. It finds that while global hunger has decreased by 26% since 1990, hunger remains serious with 20 countries classified as having alarming or extremely alarming hunger levels, mostly in Sub-Saharan Africa and South Asia. The report examines the challenges of ensuring sustainable food security given pressures on land, water and energy resources. It advocates policy frameworks and technical approaches that manage these resources sustainably to address the nexus of food, land, water and energy security and meet rising global food demand. The report also highlights Concern Worldwide's work on hunger and climate risk reduction in Mozambique.