Hill: Secretary of State John Kerry warned on Monday that scientific evidence for climate change is "irrefutable" and "alarming." He also urged the international community to take action to stop it. "The science is clear. It is irrefutable and it is alarming," he said in a video address broadcast at a a climate conference in the Marshall Islands, according to AFP. "If we continue down our current path, the impacts of climate change will only get worse." Kerry said that climate change is a global...