OBAMA

US President Barack Obama speaks on climate change on June 25, 2013 at Georgetown University in Washington, DC. Obama said Tuesday that Americans were already paying the price for global warming, and that despite opposition from climate change deniers, “we need to act.” “Americans across the country are already paying the price of inaction,” Obama said, unveiling a a national strategy to fight greenhouse gas emissions, and adding: “as a president, as a father, and as an American, I am here to say, we need to act.” AFP PHOTO/Mandel NGAN