"You might not see climate change as an immediate threat to your job, your community, or your families," Kerry said. "But let me tell you, it is." He continued, "climate change is directly related to the potential of greater conflict and greater instability. I'm telling you that there are people in parts of the world - in Africa today, they fight each other over water. They kill each over it. And if glaciers are melting and there's less water available and more people, that is a challenge we have to face."