"In the wake of the U.N. Conference on Sustainable Development (Rio+20), Secretary-General Ban Ki-moon's High Level Task Force on Global Food Security will be reoriented to focus on a new initiative as part of its efforts to ensure a coherent U.N. system approach to the issue of food and nutrition security," the U.N. News Centre reports. Noting "Ban launched an initiative known as the 'Zero Hunger Challenge,' which invites all countries to work for a future where every individual has adequate nutrition and where all food systems are resilient," at the conference last week, the news service writes, "The Task Force will be reoriented to focus on the challenge's five objectives as a guide for a coherent U.N. system approach to food and nutrition security."