South Sudan famine

In this photo taken March 10, 2016 and released by the World Food Programme (WFP), South Sudanese women who have just received food assistance stand in front of an Mi-26 cargo helicopter, used by WFP to transport food and nutrition supplies, in Ganyiel, Panyijiar County of Unity State, in South Sudan.

The United Nations needs $4.4 billion by the end of March to prevent catastrophic hunger and famine in South Sudan, Nigeria, Somalia and Yemen, yet just $90 million has been collected so far, Secretary-General Antonio Guterres said Wednesday, Feb. 22, 2017.

(George Fominyen/WFP, via AP)