President Obama orders climate change to be considered in military planning.
http://www.washingtonexaminer.com/obama-orders-climate-change-be-considered-in-military-planning/article/2602465

A bipartisan group of defense experts and former military leaders are warning climate change as a grave threat to national security.
http://www.scientificamerican.com/article/military-leaders-warn-that-climate-poses-security-threats/

Climate changes poses a significant risk to national security.
http://abcnews.go.com/US/climate-change-pose-significant-risk-us-national-security/story?id=42081905

8.8 trillion dollar climate cost to millenials
https://www.thenation.com/article/are-you-a-millennial-congratulations-climate-change-will-cost-your-generation-8-8-trillion/