Smoke and fire rises over Gaza City on Tuesday. Israeli airstrikes pummeled a wide range of locations along the coastal area as diplomatic efforts intensified to end the two-week war. Hatem Moussa/AP hide caption

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Palestinian families travel to a United Nations school to seek shelter after evacuating their homes near the Israel-Gaza border Sunday. Israel has been warning residents to leave. Mahmud Hams/AFP/Getty Images hide caption

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The world must cut its greenhouse gas emissions to meet its goals, climate experts said Sunday. Members of the Intergovernmental Panel on Climate Change (left to right) Youba Sakona, Ramon Pichs Madruga, Ottmar Edenhofer and Rajendra Pachauri hold copies of their new report in Berlin. John MacDougall/AFP/Getty Images hide caption

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St. Peter's Square in Vatican City. Ciro Fusco /EPA/Landov hide caption

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Iranian President Hassan Rouhani during an interview with NBC — part of a charm offensive ahead of his visit to the U.N. General Assembly. Rouzbeh Jadidoleslam/AP hide caption

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Syrian-Kurdish children sit on a bed at the Quru Gusik refugee camp in the Kurdish region of northern Iraq, on Aug. 22. Faced with brutal violence and soaring prices, thousands of Syrian Kurds have poured into Iraq's autonomous Kurdish region. UNICEF has reported that over one million Syrian children live as refugees in other countries. Safin Hamed/AFP/Getty Images hide caption

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Anti-war protesters rally outside Downing Street in London on Wednesday. Britain's Parliament rejected the country's involvement in any military action against Syria. The U.K. government had been among those seeking a strong response to the alleged use of chemical weapons in Syria. Matt Dunham/AP hide caption

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An almost deserted, rubble-filled street in Aleppo, Syria (Oct. 9, 2012). Tauseef Mustafa /AFP/Getty Images hide caption

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