A Haitian protester in Port-au-Prince last year spray-paints a wall, equating the UN mission in Haiti (abbreviated here as MINISTA) with cholera. Thony Belizaire/AFP/Getty Images hide caption

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A Free Syrian Army fighter fires his weapon during clashes with Syrian troops near Idlib, Syria, on Friday. The U.N. said Saturday it is suspending its mission in Syria because of escalating violence. Anonymous/AP hide caption

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A Syrian boy sits in the rubble of house destroyed during a military operation in April in the town of Taftanaz, Syria. AP hide caption

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Access to fresh water is not a given for many, including this Indian girl carrying bottles of drinking water filled from a municipal tap two kilometers from her village. Indranil Mukherjee/AFP/Getty Images hide caption

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Syrians today carried the body of a youth reportedly killed in violence in the Idlib region. Bulent Kilic /AFP/Getty Images hide caption

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President Obama addresses the opening of the Untied Nations General Assembly on Sept. 21 in New York City. Spencer Platt/Getty Images hide caption

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