The massive Ataturk Dam (shown here in 1992), in southeast Turkey, harnesses water for one of the biggest irrigation and electric power schemes in the world. A drought and other factors have created an acute water shortage in the Middle East, and resentment in countries downstream from Turkey is growing. Ed Kashi/Corbis hide caption

itoggle caption Ed Kashi/Corbis

Adilla Finchaan, 50, checks her drought-stricken land in Latifiyah, about 20 miles south of Baghdad, in this photo taken in July 2009. Below-average rainfall and insufficient water in the Euphrates and Tigris rivers — something the Iraqis have blamed on upstream dams in Turkey and Syria — have left Iraq bone-dry for a second straight year. Hadi Mizban/AP hide caption

itoggle caption Hadi Mizban/AP

The markets of Aleppo brim with fresh vegetables and spices. Deborah Amos/NPR hide caption

itoggle caption Deborah Amos/NPR

Turkish Kurds in Istanbul demonstrate in support of Kurdish rebels Oct. 19. A group of 34 unarmed Kurdish rebels crossed into Turkey from northern Iraq that day in a show of support for peace with the Turkish government. But Turks were outraged by the public displays of support for the Kurds, and the amnesty they were granted by the government of Prime Minister Recep Tayyip Erdogan. Ibrahim Usta/AP hide caption

itoggle caption Ibrahim Usta/AP

Migrants walk next to the U.S.-Mexico border fence in Tijuana, in September 2009. The U.S. recession has serious repercussions on the Mexican economy, which relies heavily on remittances from its workers in the U.S. Guillermo Arias/AP hide caption

itoggle caption Guillermo Arias/AP

Mexican workers shout slogans during a strike at Volkswagen's plant in Puebla, Mexico, in August. About 9,000 workers went on strike after pay negotiations collapsed, and many employees have since been placed on half-time shifts. Jose Castanares/AFP/Getty Images hide caption

itoggle caption Jose Castanares/AFP/Getty Images