Chinese President Xi Jinping and President Obama, seen here during a ceremony at the Great Hall of the People in Beijing, announced pledges to reduce greenhouse gases. HUANG JINGWEN/Xinhua /Landov hide caption

itoggle caption HUANG JINGWEN/Xinhua /Landov

U.S. President Barack Obama, right, smiles after a group of children waved flags and flowers to cheer him during a welcome ceremony Wednesday with Chinese President Xi Jinping at the Great Hall of the People in Beijing. In a surprise agreement late Tuesday, China agreed to a first-ever target for capping its carbon emissions, while the United States pledge to cut faster than previously planned. Andy Wong/AP hide caption

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Russia's President Vladimir Putin (right) helps put a shawl or coat on Peng Liyuan, wife of China's President Xi Jinping, as Xi talks to President Obama during a fireworks show celebrating the Asia-Pacific Economic Cooperation session in Beijing. Reuters/Landov hide caption

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A Malaysian flag sits on a table among other flags during a news conference at the Trans-Pacific Partnership Free Trade Agreement talks in July 2012 in San Diego. Nearly two and a half years later, the deal remains incomplete. Gregory Bull/AP hide caption

itoggle caption Gregory Bull/AP

Sewol ferry crew members, whose identities are obscured in this photo at the request of the court, attend verdict proceedings in Gwangju, South Korea, Tuesday. Ferry captain Lee Joon-Seok was sentenced to 36 years in jail. Getty Images hide caption

itoggle caption Getty Images