James Mattis | Colorlines

Defense Secretary James Mattis attends a joint briefing with his South Korean counterpart Han Min-Koo at the headquarters of the Defense Ministry on February 3, 2017, in Seoul, South Korea.

Yessenia Funes Mar 15, 2017 11:01AM EDT

Defense Secretary: 'Climate Change Can Be a Driver of Instability'

James Mattis says climate change poses a national security risk—in sharp contrast to the administration’s general stance on the issue.