U.S. President Barack Obama discusses the Climate Change summit during a news conference at the Organization for Economic Cooperation and Development in Paris, Dec. 1, 2015.
U.S. President Barack Obama discusses the Climate Change summit during a news conference at the Organization for Economic Cooperation and Development in Paris, Dec. 1, 2015. Michel Euler AP
U.S. President Barack Obama discusses the Climate Change summit during a news conference at the Organization for Economic Cooperation and Development in Paris, Dec. 1, 2015. Michel Euler AP