President Barack Obama and United Nations Secretary General Ban Ki-moon met in the White House’s Oval Office on Tuesday, August 4, to talk about climate change and a range of other world issues. Obama characterized climate change as one of the most significant issues facing the planet, saying the world needs to “step up” to find a solution.

Also on the agenda, Obama said, are crises in Syria, Yemen, Libya and South Sudan. Credit: YouTube/The White House