Pentagon Report Calls Climate Change a “National Security Threat Multiplier” | Veterans for Common Sense

The Pentagon released a landmark report this week, “asserting decisively that climate change poses an immediate threat to national security, with increased risks from , infectious disease, global poverty and food shortages. It also predicted rising demand for military disaster responses as extreme weather creates more global humanitarian crises.”  [Quote from New York Times, “Pentagon Signals Security Risks of Climate Change,” Oct. 13, 2014, Coral Davenport reporting]

The preface of the U.S. Department of Defense strategy report, entitled, “2014 Climate Change Adaptation Roadmap“, is signed by Defense Secretary Chuck Hagel and begins as follows:

The responsibility of the Department of Defense is the security of our country. That requires thinking ahead and planning for a wide range of contingencies.

Among the future trends that will impact our national security is . Rising global temperatures, changing precipitation patterns, climbing sea levels, and more extreme weather events will intensify the challenges of global instability, hunger, poverty, and conflict. They will likely lead to food and water shortages, pandemic disease, disputes over refugees and resources, and destruction by natural disasters in regions across the globe.

In our defense strategy, we refer to climate change as a “threat multiplier” because it has the potential to exacerbate many of the challenges we are dealing with today – from infectious disease to terrorism. We are already beginning to see some of these impacts.

A changing climate will have real impacts on our military and the way it executes its missions. The military could be called upon more often to support civil authorities, and provide humanitarian assistance and disaster relief in the face of more frequent and more intense natural disasters. Our coastal installations are vulnerable to rising sea levels and increased flooding, while droughts, wildfires, and more extreme temperatures could threaten many of our training activities. Our supply chains could be impacted, and we will need to ensure our critical equipment works under more extreme weather conditions. Weather has always affected military operations, and as the climate changes, the way we execute operations may be altered or constrained.

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Our first step in planning for these challenges is to identify the effects of climate change on the Department with tangible and specific metrics, using the best available science. We are almost done with a baseline survey to assess the vulnerability of our military’s more than 7,000 bases, installations, and other facilities. In places like the Hampton Roads region in Virginia, which houses the largest concentration of US military sites in the world, we see recurrent flooding today, and we are beginning work to address a projected sea-level rise of 1.5 feet over the next 20 to 50 years.

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At home, we are studying the implications of increased demand for our National Guard in the aftermath of extreme weather events.

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Politics or ideology must not get in the way of sound planning. Our armed forces must prepare for a future with a wide spectrum of possible threats, weighing risks and probabilities to ensure that we will continue to keep our country secure. By taking a proactive, flexible approach to assessment, analysis, and adaptation, the Defense Department will keep pace with a changing climate, minimize its impacts on our missions, and continue to protect our national security.

The full 20-page U.S. Department of Defense report, entitled, “2014 Climate Change Adaptation Roadmap”, is available for download here.

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