Admiral David Titley: National Security and Climate Change

Admiral David Titley is Chief Oceanographer and Navigator of the United States Navy. A self-described "former climate skeptic," Admiral Titley says the evidence has now convinced him that global warming is the "greatest challenge of the 21st century."

Here he talks at the Pentagon on the significant issues of national and global security that will arise as the century plays out in the century of global warming.

For more on national security and climate change read our post "A National Security Perspective on Climate Change Security Assessment Report"

The video is courtesy of YouTube's Greenman3610, founder of the Climate Denial Crock of the Week.

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