What’s the connection between climate change and national security? “Military commanders don't operate on the basis of fiction,” says Leon Panetta, who served as Secretary of Defense and Director of the CIA under President Obama. “Understanding climate change and what was happening had to be part and parcel of our effort to protect our security.” The military has long seen climate as critical to readiness, as Rear Admiral David Titley (Ret) explains. “If you’re directly connecting renewable energy to increasing our combat effectiveness,” explains Titley, “the military is all in.” Leon Panetta, Former Secretary of Defense Rear Admiral David W. Titley, USN (Ret) Director, Center for Solutions to Weather and Climate Risk, Penn State University

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