CSIS hosted Josette Sheeran, executive director of the UN World Food Programme (WFP), for a discussion on the new humanitarian challenges in the 21st century. Johanna Nesseth Tuttle, vice president for Strategic Planning at CSIS, chaired the session. The UN WFP is the world's largest humanitarian organization. Climate change, natural disasters, demographic trends, and soaring food prices all underpin mounting global food insecurity challenges. Ms. Sheeran discussed the "new face of hunger," its root causes, implications for malnutrition and stability, and the way forward.