President Barack Obama, left, and Chinese President Xi Jinping share a toast Wednesday, when the two nations pledged to take action to reduce greenhouse gases.
President Barack Obama, left, and Chinese President Xi Jinping share a toast Wednesday, when the two nations pledged to take action to reduce greenhouse gases. Greg Baker The Associated Press
President Barack Obama, left, and Chinese President Xi Jinping share a toast Wednesday, when the two nations pledged to take action to reduce greenhouse gases. Greg Baker The Associated Press